NẾU ( ) D 33 XF X = X + E . C. F X ( ) = 3 X E2+ X. D. ( ) 4F X =...
Câu 10: Nếu ( ) d
3
3
x
f x = x + e . C. f x ( ) = 3 x e
2
+
x
. D. ( )
4
f x = x + e .
A. f x ( ) = x e
2
+
x
. B. ( )
4
12
x
− = + = −x y z3
x
2
x
4
2
x
4
x
− = + = −x y z