TÌM ∫ ( X4+ + + + X3 X2 X 1 ) DX =
Câu 1. Tìm ∫ ( x
4+ + + + x
3x
2x 1 ) dx = ?
5 4 3 2x x x x
A.
+ + + + + x C . B.
+ + + + x . C.
5 4 3 2
x + + + + + x x x x C .D. 4 x
3+ 3 x
2+ 2 x + 1 .
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