If dy dx x cos x find y - JAMB Mathematics 2006 Question
If dy/dx = x + cos x, find y
A
x2 - sin x + c
B
x2 + sin x + c
C
x2/2 - sin x + c
D
x2/2 + sin x + c
correct option: d
dy/dx = x + cos x
y = ∫(x + cos x)dx
y = 1/2x2 + sin x + C
y = ∫(x + cos x)dx
y = 1/2x2 + sin x + C
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