Surds - Mathematics Jamb Past Questions and Answers

Question 36 :

• JAMB 1995

Simplify \(\frac{\sqrt{12} - \sqrt{3}}{\sqrt{12} + \sqrt{3}}\)

A. \(\frac{1}{3}\)
B. 9
C. 16cm
D. 3

Question 37 :

• JAMB 1995

Simplify \(\frac{\sqrt{12} - \sqrt{3}}{\sqrt{12} + \sqrt{3}}\)

A. \(\frac{1}{3}\)
B. 9
C. 16cm
D. 3

Question 38 :

• JAMB 1997

Simplify \(\frac{2\sqrt{3} + 3\sqrt{5}}{3\sqrt{5} - 2\sqrt{3}}\)

A. \(\frac{19 + 4\sqrt{25}}{11}\)
B. \(\frac{19 + 4\sqrt{15}}{11}\)
C. \(\frac{19 + 2\sqrt{15}}{11}\)
D. \(\frac{19 + 2\sqrt{15}}{19}\)

Question 39 :

• JAMB 1999

Find the value of X if \(\frac{\sqrt{2}}{x+\sqrt{2}}=\frac{1}{x-\sqrt{2}}\)

A. 3√2+4
B. 3√2-4
C. 3-2√2
D. 4+2√2

Question 40 :

• JAMB 1999

Simplify \(\sqrt{\frac{(0.0023 \times 750)}{(0.00345 \times 1.25)}}\)

A. 15
B. 20
C. 40
D. 75