If dy/dx = x + cos x, find y

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Mathematics JAMB 2006

If dy/dx = x + cos x, find y

  • x2 - sin x + c
  • x2 + sin x + c
  • x2/2 - sin x + c
  • x2/2 + sin x + c checkmark

The correct answer is: D

Explanation

dy/dx = x + cos x
y = โˆซ(x + cos x)dx
y = 1/2x2 + sin x + C
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