DE THI HOC KI I 2010

TTGDTX BU DANG BINH PHUOC ĐỀ KIỂM TRA HỌC KỲ I- 2010 - 2011 MÔN: TOÁN – 12 Thời gian làm bài: 90 Phút      x y x − = −      !"#$%&'$(!)*($# + (!)*($),$%%# "-$%.$%/0 1y x= +      2 x x− + = 34 $  1 1 x x A = +  35$6) 7  ( )     89%  x x y x x − = − +  : 7 !"#$%&'$  ( ) 2 2 9% 2 9% 1  x x+ + = +   ;  < = x x+ + + − =  '$9>$%&) ? % @ )ABACBCC ? $ *+> @ $%  a D ? $+$+> @ $%134 $ 7 4 E, &) ? $% ?  !'$9>$%&) ?   '$!" %  @ )FABG, ? / @  ? $*+> @ $% a D ? $+$+> @ $% a   35$ 7 4 '$!FABG + 35$/ ? $4 H)$%I)$'$$ $$% ?  !'$!FABG  35$ 7 4 E, J @ )$% ?  !'$!FABG   : 7 +J !"#$%&'$ ( )   1  9% 9% 2 =x   − >    + : 7 +J !"#$%&'$   <  1; 1 x+ ≥      !!"# #$% &   ' ( )%*+ ,-    7      x y x − = − • { } K D R= • F" ? + $$  ( )   L =  y x − = < − +   9 9   x x x y x →±∞ →±∞ − = = −  ⇒  y = 9 @ !"#$%&'$"-$%MN$$%$%   9 9 x x y y + − → → = −∞ = +∞  ⇒  x = 9 @ !"#$%&'$"-$%MN$" $% BB3 @ O H −∞  +∞ *L P = P *  −∞ QQ +∞  N*R>$%&$% ( ) ( ) S S S−∞ +∞ • T, @  ? 0 3 ? , ? > ? + ? 0    =  x y x y = − ⇒ = = ⇒ = +U V , @  ?  . L y = − ⇔ ( )      =  x y x x y = ⇒ =  − = ⇔  = ⇒ =  8W"#$%&'$(!)*($ 2D y x y x= − + = − +     2  2  x x A A − + = ⇔ + = ⇔ =  ( ) ( ) ( )        L  9$    9%     9$  x x x x x y x x x x x − − − = − − + + − + ( ) ( ) ( )     L    9$   9$  x x y x x x x x −     = − − + + − +       ( ) 2 2 9% 2 9% 1  x x+ + = 8TX)EM$ =x > 8 ( ) ( )  2 2 9% 2 1   1  2 1 2 = S 1 x x x x x x x x − + = ⇔ + = ⇔ + − = ⇔ = = 8FX)EM$ x = +   ;  < = Y; Z < = x x x x+ + + − = ⇔ + − = • T> ?   x t = • TX)EM$ =t > • W"#$%&'$   < Y Z < = S  < t t t t+ − = ⇔ = = − • FX)EM$  t − = • )* 7 $ @ J 7 $H0     x x − = ⇔ = −  [# # 4 @ $&) ? J @ $4 $/ ( 012 ( *+ 13*+456/13*+7*864 ( *89* 1a=   *:;  *8/  <=    8   R a a= = 3 7 4 E, &) ? 0 ( )     1 ZV R h a a a π π π = = =   [# # 4 @ $&) ? J @ $4 $/ ( 012 ( *+ 13*+7*8 l 64 ( *89* a=   *:;  *8/  <=   8  R a a= = 13*+456       h l R a a a= − = − = ( )            a V Sh a a= = =    XQ S Rl a π π = =  \U %, @ $%/ ? $%F]^ @ FA_       1   SI SM l a a R SA SO h a = ⇔ = = = 3 7 4 E, J @ )   1 1     1 a V R π π   = =  ÷  ÷     ( )   1  9% 9% 2 =x   − >   • >%:?* ( )      1 2 = 2 = Z Z 9% 2 = 2  x x x x x x  − >  − >   ⇔ ⇔ > ⇔ >   − > − >     •  @  ( ) ( )     1 1  9% 9% 2 = 9% 2  2 1x x x   − > ⇔ − < ⇔ − <    ;  x x⇔ < ⇔ − < < • A5/>%:?*  ZS Z x x− < < − < <          <  1; 1 < <     x x x x + + + ≥ ⇔ ≥ ⇔ + + ≥ ⇔ ≥  A B C C’ B’ A’ A B C D S . TTGDTX BU DANG BINH PHUOC ĐỀ KI M TRA HỌC KỲ I- 2010 - 2011 MÔN: TOÁN – 12 Th i gian làm b i: 90 Phút  . a   35$ 7 4 '$!FABG + 35$/ ? $4 H)$% I) $'$$ $$% ?  !'$!FABG  35$ 7 4