Polynomials - Jamb Mathematics Past Questions and Answers

Question 31:

• JAMB 2015

Simplify \( [1 ÷ (x^2 + 3x + 2)] + [1 ÷ (x^2 + 5x + 6)] \)

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

Question 32:

• JAMB 2015

Solve x² − 2x − 3 = 0

A. X = 2 or 1
B. X = 3 or -1
C. X = 1 or 0
D. X = 1 or 2

Question 33:

• JAMB 2015

Simplify \( \frac{1}{(x + 1)} + \frac{1}{(x − 1)} \)

A. 2x/(x + 1)(x−3)
B. 2/(x + 1)(x−1)
C. 2x/(x + 1)2
D. 2x(x+1)2

Question 34:

• JAMB 2015

Calculate the value of x and y if (27^x ÷ 81^x+2y) = 9 ,x + 4y = 0

A. X = 1, y = 1/2
B. X = 2, y = — 1/2
C. X − 0, y = 1
D. X = 2, y = —1

Question 35:

• JAMB 2015

If √ (2x + 2) − √x =1 ,find x.

A. X = 1 twice
B. X = 0 or 1
C. X = 3 or 1
D. X = 2 twice