Integration - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 1979

The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is

A. 1.5
B. 0.8
C. 1.0
D. 1.02
E. 1.05

Question 2:

• JAMB 2019

Integrate \(\int_{-1} ^{2} (2x^2 + x) \mathrm {d} x\)

A. \(4\frac{1}{2}\)
B. \(3\frac{1}{2}\)
C. \(7\frac{1}{2}\)
D. \(5\frac{1}{4}\)

Question 3:

• JAMB 2019

Integrate \(\int (4x^{-3} - 7x^2 + 5x - 6) \mathrm d x\).

A. \(-2x^{-2} - \frac{7}{3}x^3 + \frac{5}{2} x^2 - 6x\)
B. \(2x^2 + \frac{7}{3} x^3 - 5x + 6\)
C. \(12x^2 + 14x - 5\)
D. \(-12x^{-4} - 14x + 5\)

Question 4:

• JAMB 2018

Evaluate ∫\(^2_1\) \(\frac{5}{x}\) dx

A. 1.47
B. 2.67
C. 3.23
D. 3.47

Question 5:

• JAMB 2018

Integrate the expression 6x\(^2\) - 2x + 1

A. 3x\(^3\) - 2x\(^2\) + x + c
B. 2x\(^3\) - x\(^2\) + x + c
C. 2x\(^3\) 3x\(^2\) + c
D. X\(^3\) + x\(^2\) x + c