CHO F X DX( ) 1 E2X C= +X +A. ( ) LN 1 2 .F X = X + E X B. F X( ) 1...
Câu 11: Cho f x dx( ) 1 e
2
x
C= +x +A.( ) ln
1
2
.
f x
=
x
+
e
x
B.f x
( )
1
2
2 .
e
2
x
2
= −
x
+
C.( ) ln
1
2
.
f x
=
x
+
e
x
+
C
D.f x
( )
1
2
e
2
x
.