ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 386:

• JAMB 1999

Three consecutive positive integers k, l and m are such that l\(^2\) = 3(k+m). Find the value of m.

A. 4
B. 5
C. 6
D. 7

Question 387:

• JAMB 1999

Express \(\frac{1}{x^{3}-1}\) in partial fractions

A. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x + 2)}{x^{2} + x + 1})\)
B. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{x - 2}{x^{2} + x + 1})\)
C. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x - 2)}{x^{2} + x + 1})\)
D. \(\frac{1}{3}(\frac{1}{x - 1} - \frac{(x - 1)}{x^{2} - x - 1})\)

Question 388:

• JAMB 1999

The first term of a geometric progression is twice its common ratio. Find the sum of the first two terms of the G.P if its sum to infinity is 8.

A. 8/5
B. 8/3
C. 72/25
D. 56/9

Question 389:

• JAMB 1999

Divide 4x\(^3\) - 3x + 1 by 2x - 1

A. 2x²-x+1
B. 2x²-x-1
C. 2x²+x+1
D. 2x²+x-1

Question 390:

• JAMB 1999

The shaded portion in the graph above is represented by

A. Y + x - x³ ≥ 0, y - x ≤ 0
B. Y - x + x³ ≥ 0, y - x ≤ 0
C. Y + x - x³ ≤ 0, y + x ≥ 0
D. Y - x + x³ ≤ 0, y + x ≥ 0