Giai ho ban khong ro ten

Giải hộ bạn không rõ họ tên Câu 11. !"#$%& '"()&*+,-.&/+0 !1%&%23#45  !"+,-""617%8&%239 -1:;%<%&%2"&%25;=+1!%&<%%> 4?%@ &%23A;=+1 A.  BC B s B.  BC D s C.   E s D.  F E s Giải: Cách 1:#A@ GλH"BHB⇒)H"6HλGλ'I :J@#A⇒K%5L#MN+?%OP@3LQ:R7#42&*% ),-⇒<%%&23=#MN+?%OP 4E:'IHE'F⇒&+S Cách 2: G:<%%J3&85 4T "6 "BB6  d t s v ∆ = = = ⇒ %&;%3L<%&%2A% %&;%5L<%&%2G∆HG"BB6 G34L<%&%2@5& %&HOP10)U+,-++&,<V@&,W #MN&%25<%%∆ 4Q:R7#4&&%*%),-&(N 4#MN &%23L<%&%2%X;%⇒<%%&23=#MN+?%OP 4E:'IH E'F⇒&+S1 P OP   5 3