If the gradient of the curve y = 2kx 2 + x + 1 at

MATHEMATICS
JAMB 2001

If the gradient of the curve y = 2kx2 + x + 1 at x = 1 is 9, find k.

  • A. 4
  • B. 3
  • C. 2
  • D. 1

Correct Answer: C. 2

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