2015
Mathematics
JAMB
Integral ∫(5x3 + 7x2 − 2x +5) dx
A.
5x4 /4 + 7x3 /3 + 2x + C
B.
5x4 /4 + 7x3 /3 − x2 + 5x + C
C.
5x3 /3 + 7x2 /x − x + C
D.
2x2 /3 + x/5 − C
Correct Answer: 5x4 /4 + 7x3 /3 − x2 + 5x + C
Explanation
∫(5x3 + 7x2 −2x + 5)dx = 5x4/4 + 7x3/3 − 2x2/2 + 5x + c = 5x4/4 + 7x3/3 − x2 + 5x + c
∫(5x3 + 7x2 −2x + 5)dx = 5x4/4 + 7x3/3 − 2x2/2 + 5x + c = 5x4/4 + 7x3/3 − x2 + 5x + cTHIS WEEK's
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