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Sunday, 16 August 2026
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Mathematics Past Questions and Answers

Topic: CALCULUS

Jamb Mathematics Questions - CALCULUS

Question 26:
Find the value of x for which the function y = x3 - x has a minimum value.
  • A \(-\sqrt{3}\)
  • B \(-\sqrt{\frac{3}{3}}\)
  • C \(\sqrt{\frac{3}{3}}\)
  • D \(\sqrt{3}\)
View Answer & Explanation
Question 27:
A function f(x) passes through the origin and its first derivative is 3x + 2. What is f(x)?
  • A Y = (3x<sup style='font-size: smaller;'>2</sup>/)2 + 2x
  • B Y = (3x<sup style='font-size: smaller;'>2</sup>)/2 + x
  • C Y = 3x<sup style='font-size: smaller;'>2</sup> + (x/2)
  • D Y = 3x<sup style='font-size: smaller;'>2</sup> +2x
View Answer & Explanation
Question 28:
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
View Answer & Explanation
Question 29:
Find the value of x for which the function 3x3 - 9x is minimum
  • A Zero
  • B 2
  • C 3
  • D 5
View Answer & Explanation
Question 30:
Integrate \(\frac{x^2 -\sqrt{x}}{x}\) with respect to x
  • A \(\frac{x^2}{2}-2\sqrt{x}+K\)
  • B \(\frac{2(x^2 - x)}{3x}+K\)
  • C \(\frac{x^2}{2}-\sqrt{x}+K\)
  • D \(\frac{(x^2 - x)}{3x}+K\)
View Answer & Explanation