Search SchoolNGR

Saturday, 28 February 2026
Register . Login

Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 31:
If y = 4x3 - 2x2 + x, find \(\frac{\delta y}{\delta x}\)
  • A 8x2 - 2x + 1
  • B 8x2 - 4x + 1
  • C 12x2 - 2x + 1
  • D 12x2 - 4x + 1
View Answer & Explanation
Question 32:
If y = cos 3x, find \(\frac{\delta y}{\delta x}\)
  • A \(\frac{1}{3} \sin 3x\)
  • B \(-\frac{1}{3} \sin 3x\)
  • C 3 sin 3x
  • D -3 sin 3x
View Answer & Explanation
Question 33:
Find the minimum value of y = x2 - 2x - 3
  • A 4
  • B 1
  • C -1
  • D -4
View Answer & Explanation
Question 34:
Evaluate \(\int \sin 2x dx\)
  • A Cos 2x + k
  • B \(\frac{1}{2}\)cos 2x + k
  • C \(-\frac{1}{2}\)cos 2x + k
  • D -cos 2x + k
View Answer & Explanation
Question 35:
Evaluate \(\int (2x + 3)^{\frac{1}{2}} \delta x\)
  • A \(\frac{1}{12} (2x + 3)^6 + k\)
  • B \(\frac{1}{3} (2x + 3)^{\frac{1}{2}} + k\)
  • C \(\frac{1}{3} (2x + 3)^{\frac{3}{2}} + k\)
  • D \(\frac{1}{12} (2x + 3)^{\frac{3}{4}} + k\)
View Answer & Explanation