Q53Multiple choice
= a log |1 + x | + b tan x + log |x + 2| + C, then x + 2 ) ( x + 1) –1 –2 1 2
- (A)a = ,b=
- (B)a = ,b=– 10 5 10 5 –1 2 1 2
- (C)a = ,b=
- (D)a = ,b= 10 5 10 5 x3
= a log |1 + x | + b tan x + log |x + 2| + C, then x + 2 ) ( x + 1) –1 –2 1 2