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Surds - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on Surds

Question 31:

JAMB 1991

Simplify

\frac{1}{1 + \sqrt{5}}

-

\frac{1}{1 - \sqrt{5}}

A. -

\frac{1}{2} \sqrt{5}

B.

\frac{1}{2} \sqrt{5}

C. --

\frac{1}{4} \sqrt{5}

D. 5

View Answer & Explanation

Question 32:

JAMB 1991

Rationalize

\frac{2 \sqrt{3} + 3 \sqrt{2}}{3 \sqrt{2} - 2 \sqrt{3}}

A. 5 - 2

\sqrt{6}

B. 5 + 2

\sqrt{6}

C. 5

\sqrt{6}

D. 5

View Answer & Explanation

Question 33:

JAMB 1991

Simplify

\frac{\sqrt{1 + x} + \sqrt{x}}{\sqrt{1 + x} - \sqrt{x}}

A. -2x - 2

\sqrt{x (1 + x)}

B. 1 + 2x + 2

\sqrt{x (1 + x)}

C.

\sqrt{x (1 + x)}

D. 1 + 2x - 2

\sqrt{x (1 + x)}

View Answer & Explanation

Question 34:

JAMB 1992

Simplify 5

\sqrt{18}

- 3

\sqrt{72}

+ 4

\sqrt{50}

A. 17

\sqrt{4}

B. 4

\sqrt{17}

C. 17

\sqrt{2}

D. 12

\sqrt{4}

View Answer & Explanation

Question 35:

JAMB 1993

simplify

\frac{1}{\sqrt 3 - 2}

-

\frac{1}{\sqrt 3 + 2}

A. 3
B.

\frac{2}{3}

C. 7
D. -4

View Answer & Explanation

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