Câu 1 µ !"#$%& ' $()*+",-". /$0#$%& '1 2 3$0%4#$%& 51 2 $061$%& '1 2 7$0%6$%& 51 2 Câu 2:8=&,%(µ),9-*:; & =%&&<$=8 >-$()*?@8+8>A": /$&,42$ 3$&,2$ $4,2$ 7$&,2$ Câu 6:B&&CDE*::%CFE$(GFHGIJ-K !KL&4CME$C?J 4 π %&E$NGO&"PGFHGIJ$3QR ". A. %& 6 S$%& @C%& EC E 4 q t c π π − = + B. %& 6 T$%& @C%& EC Eq t c π − = C. %& 6 T$%& @C%& EC Eq t c π − = D. %& 6 S$%& @C%& EC E 4 q t c π π − = + Câu 7: +L,9:UV"@GW=X & @Τ$Y)*+ O9Z9-)*O[9KH": A. X & /1 B. X & /# C. X & /4 D. X & / 2 I#.NISAI:+L,:!"X & ,O\ !"] & F":!^9K"; & [)*": A. 2 UQ W 00 = B. 2 LI W 2 0 = C. C2 Q W 2 0 = D. 2 UC W 0 2 = IT.YUI@IJ8FU_U_ ` FU a _ b U b a b _ b L cW9U_IUU$ a W ` d a 9U ` _ e I a a e U b d ` e b U b $ cW9U_I)* a W ` d a 9U ` _ e I a a e )* cW9U_I)fUfF)ff$ a W ` d a 9U ` _ e I a a g )f b U b f a F a )f b a f a $ cW9U_If_U$ a W ` d a 9U ` _ e I a a e f a _ b a U b $ Cu 10:B9>JF_J:hKFH!K9:U+ &iµM:%4µMF"FH9:U+4&,:#&&,$BJQ9>@F_ J:K@"j 7K@+66%:iT61$ B. 7K@+%1:Ti61$ 7K@+16%:%#16$ D. B8:WK8$ Câu 11: D9Q"@IJ"sai8FkF@l@F_J:j /$=")*?,F"9 H?,$c*mQ_HH$ 3$@>Qm_FnF"F_J:Jk[$ $=!>8_9 ,Kop?,U-$ 7$=F"@>,Ko*U-F"9U$ Câu 12: Bh%#$&&&,F"K!K6µM 8_8Q$M:!-"; & 41<$O\Qq " @IJj ]%i%$%& 'i /$ B. ]T1$%& 'i /$ C. ]S1$%& 'i /$ D. ]#1$%& 'i /$ Câu 13.ck"@IJ"sai8Fk@!,F"@+j /$cQ@+,K>,G*,)VFHL$ 3$)VJr*@-@Go $ $cQ,@+,K>,G*,J,k"FH)V$ ĐklN',-@+ s<.(Jt=fLIMDI" 7$(:-@GJ*kr@ 9Zu[J@v 9>*@-@GP9Zu$ Câu 14.B__8UI@_Uu&8Mw8UI@_U u8Mw$Y_ 4 V,@@I@_UV ` ,@@ d a I a @_ ` U e b a . /$TSYMw$ B. 41YMw$ C. 1#YMw$ D. &YMw$ Câu 15BN@JF_J:hIJ!KL = 1$%& - # MF" = 4$cQ *@+9H@%&&[,K> x A. G:,FH 111 , 1$ B. G:,FH 11 , 11$ C. @@FH 1,111$ D. @@FH 11,11 Câu 16.D9Q"@IJ"@8Fk@+. /$=+yQ8_FzfOO → { F"FzfKR+ → 3 vuông gócFH$ 3$=+"@$ $=+Jk*I8_F"N_O>|8 7$<qGJk@+"N_O Câu 17.BhIJ!KLF"i&&&,$M:!^9K" ; %4<$()*!"$ /$ 4%6$%& 'T C2E3$4%6C2E$i6$%& 'T C2E7$i6C2E Câu 18:Y> % FHKL[-@G+"u % 8> 4 FHL[-@G "u 4 $Y>LFH9h % @@ 4 [-@G" /$u % }u 4 3$ 4 4 4 % 4% ff ff + $ 4% ff 7$ 4 4 4 % ff + Câu 19:BL!+!!U9K"X & C1~πE$%& 'S CEF"O\!"] & 4/$3H@@+""J " /$%#& 3$%4& $i& 7$T& Câu 20: BLk")*•*JQ+)" +)K?%&µ@$8€". /$%µ@$ 3$i&µ@$ $&Sµ@$ 7$6&µ@$ Câu 21:BLk"FH-@GS$%& i ~@$OQ9- !$O>?8Q+OQ9-Q)*O9Z)*+O ". /$%&&#$%& 'i @$ 3$%&&#$%& '1 @$ $%%4$%& '1 @$ 7$%%4$%& 'i @ Câu 22: BJF_J:hIJ!KL%MF" J•*$cQJ9>*@F_J:-@G+iBMw:1BMw[,KJ •8K. /$%6,≤ ≤4#,. 3$ 4µ≤≤4#µ$ $&%6,≤≤&4#,$ 7$&4µ≤≤&4#µ$ Câu 23: =!["+L5^*"@IJP? M*+ B. M* ĐklN',-@+ s<.(Jt=fLIMDI" M*KR+ D. M*!K Câu 24:BL•!+!,O*! U9"X & F"\!"] & $3QR"@IJ"P8o 9H @$ & & 4 4 Q I c πλ = B. & & 4 Q I c πλ = & & 1 Q I πλ = D. & & 4 I Q c πλ = FH=i$%& # /@ Câu 25:BL•=&&,;L=&,4M$OQ=&,!X & = S,$%& - %& $L?J %& 4 = π $3QRU9K,q^ "@IJ"P? EEC%&@C%&$S 6%4 Ctq ππ += − B. EEC%&@C%&$S 6%4 Ctq π − = EEC 4 %&@C%&$S 6%& Ctq π π −= − D. EEC 4 %&@C%&$S 6%& Ctq π π += − Câu 26;D9Q"@IJ"đúng8Fk@+: /$Y8_Q9Ro@+ 3$-@G@+‚ƒ+9q1-@G ω $ $<qGJk@+I8_|fk-$ 7$YQV,fAR[+OJk8_H @ Câu 27: ()*OF")*+O@+8Jk_ A. , 1 π $ B. , 4 π $ C. *,$ D. m,$ Câu 28 : 7LJ,k"" A. +J[-@G9Z-@GUL$ B. +>--@G9Z-@GUL$ C. >-[-@G8-@GUL$ D. +J[-@G8-@GUL Câu 29: BhIJ-KLF" % F" 4 , 8>IJUFH+ % F" 4 [ 8[fR" %= 6@F" 4 = #@$8[8>hOIJFH %, 4 > @@" : A. S@$ B. %1@ C. 4@$ D. %&@$ Câu 30: BhIJ!KLF" = & , &4 µ $Y • , !:^9K!F"O\- *"; & = %<F"] & = 4&&/$M:^9KOQ\9Z%&&/ " : A. &,1ii<$ B. &,6##<$ C. &,611<$ D. &,#66< ĐklN',-@+ s<.(Jt=fLIMDI"