! " #$%& ' ()*"+, " $(+ - % *%$%.(+/0% 1 2 u u u u u + = + = 1 u u u u = = 3! " #&0 ' $%+ - 4(5&40 - & ' &6 % 2 x x + ữ 70%&0 ' $%+ - 4(5&40 - ( ) n x 8 " 9! " #: ! " #$%& ' (5&$(&6 % 4(5&40 - x x + ữ 1;#<=&>(?@=&*A+ BC1=&>(/ D + ,E+ 1 + 3 + 1,E+ + 1 2;#=&>()F++ ,E$(?<@=.(A+ B/D 1 3 1 3 u u S + = = 1 3 2 u u u u + = + = ;#=&>()F++ ,E$(.G?<@=&* A+ B/D 3 1 33 u u u u = = 1 3 2 1 u u u u u u + = + = 4( % H I$%A+ B+/ H I$% " ' &J ' 6K % / ' &J ' 40, " ' &J ' : + + n + 9L&6 % (#&J"(&6K(& % G+I ' M A BA B 2 n n n+ + &&0%&2 N 6 " % &6 H $%///3/1/2/8* ' % $%6 ' &0($"#2&6 H $%5& % &+O - L % *% - &0+$%: L % &0+$%&P/&0+$%8Q - : L % &0+$%Q % &K3: Tìm tập xác định của các hàm số sau: 1) y x = ;2) x y = ;3) x y x = <&6K(4;&+ B + =cos x 3 sin x 3 B =3 sin x cos x 2 B + = 6 sin x cos x 2 Giaỷi phửụng trỡnh: a) + =3 sin x cos x 2sin 7x B = +2 cos13x sinx cos x B = 2 sin 4x 2 cos 4x 1 3<&6K(4;&+ + = 2 5 3 sin x sin x 0 2 2 + = 2 2 sin 2x 2sin x 3 1;# u ,E q ?<@=&*/DB 1 2 9 3 u u u u + = = B 3 1 33 u u u u = = 2;# u ,E q ?<@=&*/D B 1 21 1 u u u u u + = + = B 9 1 u u = = ;# u ,E q ?<@=&*D B 3 3 1 1 S u u u u = + + + = B 3 3 u q u u = + = &6K(4;&86R((<+ x x x+ + = @&6K(4;&+ 3 n n n A C A 9,EB 1 n n A A n+ B 9 x x C A x + + = + B 2 x x A C x+ = B n n n n C C C+ + = B 3 n n n P A P + = B 3 1 3 x x x C C A = B = 2 sin 3x 6 cos3x 2 = 2 sin 4x 2 cos 4x 1 B 3 sin 5x cos5x 2sin3x = L&@=.(A+ BC 3 2 9 u u u u + = = B;#+ ,E B7DS 3;# B = +2 cos13x sinx cos x B;#=&>(5&$(&T4(5&4U    x x   +  ÷    BV.&.C,0)W,E,0&X@I(Y+&0 &,0Z&<+@&&,0)6R&[)+8E,0 )W 3<&6K(4;&86R((<+ B     − + = B 3 3         + = −  B   1L&&;&&CS\7L][V,E^8F86R8E4+()U# ?)>\7,ESL B_<)`&()U#a\^∩AS7]B B_<)`&()U#bV^∩AS7]B BL&T(#&a/b/7&c(&E( 57:<&6K(4;&86R((<+ B3  11B    1  = −  B        3 x x x x− − + − = 1V.&.)d((e#C3,0&/,0)W,E ,0,E(^(6f&[(Y+&0g&.)C4,0 BZ&=&Fh?5&$((#Y+ BZ&<+@)U,0)6R&[C)?#E+ 2BL&@=.(A+  BC+  ,E+  21OiIZ&=&>()F+ ,E$(?@=40 B_jZ&J(/(#?iI=A+  B,k+    /∀∈^ l <&6K(4;&86R((<+ B− Bm−2m B <&6K(4;&86R((<+ B  3B A B   3 x c π − + =  B  11 Đề29:B Qno*)=,E)e(&@ BZ&<+@)Up(#q+@&rs( BZ&<+@)UZ&#q+@&r8E=8t B;#==&>(80D?#.@=.(Dp(? &n(8E3,Ep(;&&6K(?&n(8E93 <&6K(4;&86R((<+ B      + − = B   1  3=  B     3  − = B_jZ&J((#?A+  B/D   1 +   − = + BL&@=.(A+  BC=&>(#Ep(= &>(&T,E=&>(&TJ#8E/p(= &>(&TJ#,E=&>(+=8E3OiI;#@ =.()C L&iI=A+  B#Ep(=&>()F+0?C8ES   A B  − / ∀∈^ l  BOiI<)`&=&>(p(G+<+  ?iI=40 BL&T(#&iI=A+  B8E#.@=.(;#$(?@=.()C  L L&iI=A+  B)`&u+   BA  + − nn n B;#+ 9 +  +   BS= 3 28 8E=&>(&T#@I?iI= 3<&6K(4;&86R((<+ BA3 2 π B  B1 B  3 2  + + + = 1L&&;&&CS\7L]4(#(<S7L8@I)U#V,E 4(#(<SL]8@I)U#^ B;#(+ID?AS\LB,EAS7]B B;#()U#?)6f(&c(V^,k#q&c(AS\LB B;#()U#?>&SL,k#q&c(A\V^B 2<&6K(4;&86R((<+ B        x x − + = B   3  − + =x x  B   ;#(<4`8k&@,E(<4`&W&@?#v&E# =+ BIA  2 π BBI BA  −  BI  <&6K(4;&+ B1 B1  B     9<&6K(4;&+ B 1 B B 3g<=////3/1/2C&U8w)6R&0+=d&0C1&x= &)+5rBL<&x=&5&<&+ BS=&PC1&x=5&<&+ BS=8tC1&x=5&<&+ 3L&&;&&CS\7L]C\7,EL]5&$(((V8E 4+()U#?SL B;#^S]AV\]B B[y\L7]L&T(#&4s(Sy/\V/7^)e( G+ 3B_j5&4UA 3IB B;#&r=?=&>(&T<+ B;#&r=+=&>(&T I B 2L\ =+ 3Gii cỏc phng trỡnh: 1) 3 x x = 2) x x = 3) 3 1x x + = 33Tìm tập xác định của các hàm số sau: 1) y x = ;2) x y = ;3) x y x = 31g<&x=////3/1/2C&U8w)6R&0+= (e# BL<=&PC3&x=5&<&+: BL<=&PC3&x=: BL<=&W&KC<&x=5&<&+: 32B;#heọ =cuỷa x 6 4(5&4U + x x B;#=&>(&T4(5&4U?U+&T 1 3 x x 3BZ&&r=? 1 yx 4(5&4U ( ) 1 xyx + b);#=&>(5&$(&T5&5&4U 3 + x x 3Tính số hạng đầu 1 u và công sai d của cấp số cộng ( ) n u , biết: a) + = = 1 5 4 2 0 14 u u S b) = = 4 7 10 19 u u . 39L&iI=A n u B,k n u 91 BzD1=&>()F+?iI BL&T(#&A n u B8E@=.(;# u / BL& n u 3OW)C8E&T&>(&T&0+?iI 1Cho CSN gồm 5 số hạng. Tìm số hạng đầu và công bội của CSN, biết: a) = = 3 5 3 27 u u b) = = 4 2 3 1 25 50 u u u u 1Cấp số cộng ( ) n u có = 6 18S và = 10 110S a) Lập công thức số hạng tổng quát n u . b) Tính 20 S . 1L&&;&&CS\7L]C)<I\7L]8E&;&,+$([{//|8F86R8E 4+()U#?7L/L]/S\ B;#(+ID?#q&c(AS\]B,EAS7B B;#&Dr>u#A{|B,k&;&&C 11L&&;&&CS\7L]C)<I8E&;&;&&E&\7L]*# y[}8E4+()U#?SL B;#(+ID?A7}]B,EAS\LB B;#(+ID?A\7}B,EAS7]B B;#(+ID?A\}]B,EAS7LB 12BL#4,k#[ l N n n n + L&&D&2 BL&T(#&,k l N 1 n n + > + 1;#(<4`8k&@/(<4`&W&@?&E#= BI ữ x B 1= +y 13B;#w<)`&?&E#=+ = +y x B;#X^/^^?&E#=+ A B = + y x x . " % &6 H $ %// / 3/1 / 2/8 * ' % $%6 ' &0($"#2&6 H $%5& % &+O - L % *% - &0+$%: L % &0+$%&P/&0+$%8Q - :.  B     9<&6K(4;&+ B 1 B B 3g< =// // 3 / 1/2 C&U8w)6R&0+=d&0C1&x= &)+5rBL<&x=&5&<&+