0 b > 0 ~Q NR NI{_ `$a 2 1 > a a$ e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( a \ f ( 1 , a ) ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( b \ f ( 1 , b ) ) ) e"4 b$( a b ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( 1 , a ) \ f ( 1 , b ) ) ) e"4 c$a 2 9 > 6 a . vQ-NR`bzv/f_ _ _ _ _ _ _ _ ( kX^S) 8 ]wa > 0 b > 0 Bl e q \ f ( a 2 , b ) e q \ f ( b 2 , a ) e"a b . 9 ]wx y /fckpe Bl( x y ) ( x 2 y 2 ) ( x 3 y 3 ) e"8 x 3 y 3 . s ~ Y T ^S I N C L U D E P I C T U R E " I : \ \ s w\ \ 2 0 2 0 \ \ Tek\ \ pef[\ \ eYePg\ \ pef[NA _O,{ NQ\ \ D O C \ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N C L U D E P I C T U R E " I : \ \ s w\ \ 2 0 2 0 \ \ Tek\ \ pef[\ \ eYePg\ \ pef[NA _O,{ NQ\ \ w o r d \ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N E T I N C L U D E P I C T U R E " I : \ \ s w\ \ 2 0 2 0 \ \ Tek\ \ pef[\ \ eYePg\ \ pef[NA _O,{ NQ\ \ w o r d \ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N E T I N C L U D E P I C T U R E " \ \ \ \ s w\ \ i \ \ s w\ \ 2 0 2 0 \ \ Tek\ \ pef[\ \ pef[NA _O,{ NQeYePg \ \ hQfN[tevW o r d Hrech\ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N E T I N C L U D E P I C T U R E " \ \ \ \ 0 T\ \ e \ \ 2 0 2 0 t^\ \ Tek\ \ pef[ NYeA Hr _O,{ NQeYePg s| \ \ hQfN[tevW o r d Hrech\ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N E T I N C L U D E P I C T U R E " C : \ \ U s e r s \ \ A d m i n i s t r a t o r \ \ D e s k t o p \ \ ~TЏ(u. T I F " \ * M E R G E F O R M A T I N E T 1 0 0 < a < b Na b 1 R NRV*Npe-N g'Yv/f ( 0 0) A . e q \ f ( 1 , 2 ) B a 2 b 2 C 2 a b D a 1 1 NR NI{_ N[bzv/f ( 0 0) A x e q \ f ( 1 , x ) e"2 B . e q \ f ( x 2 2 , \ r ( x 2 2 ) ) e" e q \ r ( 2 ) C . e q \ f ( x 2 3 , \ r ( x 2 4 ) ) e"2 D 2 3 x e q \ f ( 4 , x ) e"2 1 2 . ( Y ) a > 0 b > 0 NR NI{_-NR`bzv/f ( 0 0) A . a 2 1 > a B . e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( a \ f ( 1 , a ) ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( b \ f ( 1 , b ) ) ) e"4 C . ( a b ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( 1 , a ) \ f ( 1 , b ) ) ) e"4 D . a 2 9 > 6 a 1 3 a > 0 b > 0 a b 2 R NR NI{_`$a b d"1 a$ e q \ r ( a ) e q \ r ( b ) d" e q \ r ( 2 ) b$a 2 b 2 e"2 c$ e q \ f ( 1 , a ) e q \ f ( 1 , b ) e"2 [nagNva b R`bzv/f_ _ _ _ _ _ _ _ ( kX^S) RcGS 1 4 . ( pef[eS) NVe gu=r(W 0ReWVl 0-N[R[tvfS(usNpef[h:NYV@b:y bNYePg-N)R(uVf ( 0) A . Yga > b b > c HNa > c B . Yga > b > 0 HNa 2 > b 2 C . [Nack[pea Tb ga 2 b 2 e"2 a b S_NNS_a b eI{Sbz D . Yga > b c > 0 HNa c > b c 1 5 ]wa b c /f$N$N NI{v[pe Rp a 2 b 2 c 2 Nq a b b c c a v'Y\sQ|_ _ _ _ _ _ _ _ 1 6 ]wa b /fckpe Bl e q \ f ( 2 , \ f ( 1 , a ) \ f ( 1 , b ) ) d" e q \ r ( a b ) d" e q \ f ( a b , 2 ) d" e q \ r ( \ f ( a 2 b 2 , 2 ) ) . 1 7 ]wa b c /fhQ NvI{vck[pe Bl e q \ f ( b c a , a ) e q \ f ( a c b , b ) e q \ f ( a b c , c ) > 3 . ,{Nz 2 . 2 ,{ Ne W,g NI{_" e\ON 2 0 2 0 - 0 9 W@xh 1 ( Y ) NRagNSO e q \ f ( b , a ) e q \ f ( a , b ) e"2 bzv g ( 0 0) A a b > 0 B a b < 0 C a > 0 b > 0 D a < 0 b < 0 T{HhA C D ㉐g9hncW,g NI{_vagN a b TS R e q \ f ( b , a ) > 0 e q \ f ( a , b ) > 0 . Ee A C D . 2 a b "R Ra 2 b 2 N2 | a b | v'Y\sQ|/f ( 0 0) A a 2 b 2 e"2 | a b | B a 2 b 2 2 | a b | C a 2 b 2 d"2 | a b | D a 2 b 2 > 2 | a b | T{HhA ㉐g 05"a 2 b 2 2 | a b | ( | a | | b | ) 2 e"0 4"a 2 b 2 e"2 | a b | ( S_NNS_| a | | b | e I{Sbz) Ee A . 3 . ]w0 < a 1 < 1 0 < a 2 < 1 M a 1 a 2 N a 1 a 2 1 RM NN v'Y\sQ|/f ( 0 0) A . M < N 0B . M > N C . M N 0D . elnx[ T{HhB ㉐g5"0 < a 1 < 1 0 < a 2 < 1 4" 1 < a 1 1 < 0 1 < a 2 1 < 0 4"M N a 1 a 2 ( a 1 a 2 1 ) a 1 a 2 a 1 a 2 1 a 1 ( a 2 1 ) ( a 2 1 ) ( a 1 1 ) ( a 2 1 ) > 0 4"M > N Ee B . 4 NR NI{_-Ncknxv/f ( 0 0) A a e q \ f ( 4 , a ) e"4 B a 2 b 2 e"4 a b C . e q \ r ( a b ) e" e q \ f ( a b , 2 ) D x 2 e q \ f ( 3 , x 2 ) e"2 e q \ r ( 3 ) T{HhD ㉐ga < 0 Ra e q \ f ( 4 , a ) e"4 Nbz EeA a 1 b 1 Ra 2 b 2 < 4 a b EeB a 4 b 1 6 R e q \ r ( a b ) < e q \ f ( a b , 2 ) EeC 1uW,g NI{_SwD ycknxEe D . 5 \sN2u0W0RYN0W_ԏve R+R:Na Tb ( a < b ) vQhQ zvs^GWe :Nv R( 0 0) A a < v < e q \ r ( a b ) B v e q \ r ( a b ) C . e q \ r ( a b ) < v < e q \ f ( a b , 2 ) D v e q \ f ( a b , 2 ) T{HhA ㉐g2u0YN$N0Wvݍy:Ns Rv e q \ f ( 2 s , \ f ( s , a ) \ f ( s , b ) ) e q \ f ( 2 , \ f ( 1 , a ) \ f ( 1 , b ) ) . 1uNa < b 4" e q \ f ( 1 , a ) e q \ f ( 1 , b ) < e q \ f ( 2 , a ) 4"v > a S e q \ f ( 1 , a ) e q \ f ( 1 , b ) > 2 e q \ r ( \ f ( 1 , a b ) ) 4"v < e q \ r ( a b ) . Eea < v < e q \ r ( a b ) . Ee A . 6 ( Yzz) ]wa b "R a b 1 Ra 2 b 2 v g\
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e q \ f ( 4 , x ) e"2
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㉐gA y-N S_x < 0 e x e q \ f ( 1 , x ) < 0 < 2 4"A B y-N e q \ f ( x 2 2 , \ r ( x 2 2 ) ) e q \ r ( x 2 2 ) e" e q \ r ( 2 ) 4"B cknxC y-N S_x 0 e e q \ f ( x 2 3 , \ r ( x 2 4 ) ) e q \ f ( 3 , 2 ) < 2 4"C D y-N Sx 1 , 2
3 x
e q \ f ( 4 , x ) < 2 4"D
Ee B .
1 2 . ( Y ) a > 0 b > 0 NR
NI{_-NR`bzv/f ( 0 0)
A . a 2 1 > a B . e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( a \ f ( 1 , a ) ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( b \ f ( 1 , b ) ) ) e"4 C . ( a b ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( 1 , a ) \ f ( 1 , b ) ) ) e"4 0D . a 2 9 > 6 a
T{HhA B C
㉐g1uNa 2 1
a e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( a
\ f ( 1 , 2 ) ) ) e q \ s \ u p 1 2 ( 2 ) e q \ f ( 3 , 4 ) > 0 EeA R`bz
1uN e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( a \ f ( 1 , a ) ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( b \ f ( 1 , b ) ) ) a b e q \ f ( 1 , a b ) e q \ f ( b , a ) e q \ f ( a , b ) e"2 e q \ r ( a b \ f ( 1 , a b ) ) 2 e q \ r ( \ f ( b , a ) \ f ( a , b ) ) 4 . S_NNS_ e q \ b \ l c \ { ( \ a \ v s 4 \ a l \ c o 1 ( a b \ f ( 1 , a b ) , \ f ( b , a ) \ f ( a , b ) ) )
sSa b 1 e bz EeB R`bz1uN( a b ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( 1 , a ) \ f ( 1 , b ) ) ) 2 e q \ f ( b , a ) e q \ f ( a , b ) e"2 2 e q \ r ( \ f ( b , a ) \ f ( a , b ) ) 4 .
S_NNS_ e q \ f ( a , b ) e q \ f ( b , a ) sSa b e bz EeC R`bz a 2 9 e"6 a S_NNS_a 3 e bz. Ee A B C .
1 3 a > 0 b > 0 a b 2 R NR
NI{_`$a b d"1 a$ e q \ r ( a ) e q \ r ( b ) d" e q \ r ( 2 ) b$a 2 b 2 e"2 c$ e q \ f ( 1 , a ) e q \ f ( 1 , b ) e"2 [nagNva b R`bzv/f_ _ _ _ _ _ _ _ ( kX^S)
T{Hh`$b$c$
㉐gV:Na b d" e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( a b , 2 ) ) ) 2 1 S_NNS_a b 1 e I{Sbz @bN`$cknx
V:N( e q \ r ( a ) e q \ r ( b ) ) 2 a b 2 e q \ r ( a b ) 2 2 e q \ r ( a b ) d"2 a b 4 Eea$
Ncknx
@bN e q \ r ( a ) e q \ r ( b ) d"2 S_NNS_a b 1 e I{Sbz
a 2 b 2 e" e q \ f ( (a b )2 , 2 ) 2 S_NNS_a b 1 e I{Sbz @bNb$cknx
e q \ f ( 1 , a ) e q \ f ( 1 , b ) e q \ f ( a b , a b ) e q \ f ( 2 , a b ) e"2 S_NNS_a b 1 e I{Sbz @bNc$cknx
RcGS
1 4 . ( pef[eS) NVe gu=r(W
0ReWVl 0-N[R[tvfS(usNpef[h:NYV@b:y bNYePg-N)R(uVf ( 0)
A . Yga > b b > c HNa > c
B . Yga > b > 0 HNa 2 > b 2
C . [Nack[pea Tb ga 2 b 2 e"2 a b S_NNS_a b eI{Sbz
D . Yga > b c > 0 HNa c > b c
T{HhC
㉐gS\v҉ N҉b_v$Nv҉S\Oa b e:Nc ( c 2 a 2 b 2 ) . RYVvckeb_vby:Nc 2 _N1\/fa 2 b 2 V*Nv҉ N҉b_@b(Wv4q_byKNTR}Y:N2 a b .
[Nack[pea Tb ga 2 b 2 e"2 a b S_NNS_a b eI{Sbz. Ee C .
1 5 ]wa b c /f$N$N
NI{v[pe Rp a 2 b 2 c 2 Nq a b b c c a v'Y\sQ|_ _ _ _ _ _ _ _
T{Hha 2 b 2 c 2 > a b b c a c
㉐g5"a b c N
NvI{
4"a 2 b 2 > 2 a b b 2 c 2 > 2 a c a 2 c 2 > 2 a c .
4"2 ( a 2 b 2 c 2 ) > 2 ( a b b c a c )
sSa 2 b 2 c 2 > a b b c a c .
1 6 ]wa b /fckpe Bl e q \ f ( 2 , \ f ( 1 , a ) \ f ( 1 , b ) ) d" e q \ r ( a b ) d" e q \ f ( a b , 2 ) d" e q \ r ( \ f ( a 2 b 2 , 2 ) ) .
f 05" e q \ f ( 1 , a ) e q \ f ( 1 , b ) e"2 e q \ r ( \ f ( 1 , a b ) )
4" e q \ f ( 1 , \ f ( 1 , a ) \ f ( 1 , b ) ) d" e q \ f ( 1 , 2 \ r ( \ f ( 1 , a b ) ) ) sS e q \ f ( 2 , \ f ( 1 , a ) \ f ( 1 , b ) ) d" e q \ r ( a b ) .
S5" e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( a b , 2 ) ) ) 2 e q \ f ( a 2 2 a b b 2 , 4 )
d" e q \ f ( a 2 a 2 b 2 b 2 , 4 ) e q \ f ( a 2 b 2 , 2 )
4" e q \ f ( a b , 2 ) d" e q \ r ( \ f ( a 2 b 2 , 2 ) ) .
S1uW,g
NI{__ e q \ f ( a b , 2 ) e" e q \ r ( a b )
Ee e q \ f ( 2 , \ f ( 1 , a ) \ f ( 1 , b ) ) d" e q \ r ( a b ) d" e q \ f ( a b , 2 ) d" e q \ r ( \ f ( a 2 b 2 , 2 ) ) ( S_NNS_a b e I{Sbz)
1 7 ]wa b c /fhQ
NvI{vck[pe Bl e q \ f ( b c
a , a ) e q \ f ( a c
b , b ) e q \ f ( a b
c , c ) > 3 .
f 0V:Na b c hQ
NvI{
@bN e q \ f ( b , a ) N e q \ f ( a , b ) e q \ f ( c , a ) N e q \ f ( a , c ) e q \ f ( c , b ) N e q \ f ( b , c ) hQ
NvI{
@bN e q \ f ( b , a ) e q \ f ( a , b ) > 2 e q \ f ( c , a ) e q \ f ( a , c ) > 2 e q \ f ( c , b ) e q \ f ( b , c ) > 2
N_vR_ e q \ f ( b , a ) e q \ f ( c , a ) e q \ f ( c , b ) e q \ f ( a , b ) e q \ f ( a , c ) e q \ f ( b , c ) > 6
@bN e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( b , a ) \ f ( c , a )
1 ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( c , b ) \ f ( a , b )
1 ) ) e q \ b \ l c \ ( \ r c \ ) ( \ a \ v s 4 \ a l \ c o 1 ( \ f ( a , c ) \ f ( b , c )
1 ) ) > 3
sS e q \ f ( b c
a , a ) e q \ f ( a c
b , b ) e q \ f ( a b
c , c ) > 3 .
a b (b b b Fc c c Jd d d e e e j j dk nk Dl l 0m .n 8n o
J
dh G$ ` gdK#
4 dh G$ ` gdK#
J
dh G$ gdK# b b b (b *b Fb Hb Vb Xb ^b `b bb db rb tb zb |b ~b b b b b b b b b b b b b b b b ееЙ~r~arSrarra hm hK# 5H*PJ aJ j hm hK# 5PJ UaJ hm hK# 5PJ aJ hm hK# 5OJ PJ QJ aJ hK# 5PJ aJ o( hX ^ hK# 5OJ QJ aJ hm hK# 5OJ QJ aJ hm hK# 5H*aJ j hm hK# 5UaJ hm hK# 5aJ hK# 5aJ o( "h,Y hK# 5OJ QJ ^J aJ o( hX ^ hK# 5aJ b b b b b b b c c c c c c c c ,c .c :c