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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 26:

JAMB 1987

Simplify without using tables

\frac{2 \sqrt{14} \times 3 \sqrt{21}}{7 \sqrt{24} \times 2 \sqrt{98}}

A.

\frac{3 \sqrt{14}}{4}

B.

\frac{3 \sqrt{2}}{4}

C.

\frac{3 \sqrt{14}}{28}

D.

\frac{3 \sqrt{2}}{28}

View Answer & Explanation

Question 27:

JAMB 1988

Find m such that (m +

\sqrt{3}

)(1 -

\sqrt{3}

)² = 6 - 2

\sqrt{2}

A. 1
B. 2
C. 3
D. 4

View Answer & Explanation

Question 28:

JAMB 1989

Simplify

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

A. 2

\sqrt{3}

B. -2 -

\sqrt{3}

C. -2 +

\sqrt{3}

D. 2 -

\sqrt{3}

View Answer & Explanation

Question 29:

JAMB 1990

Simplify

\sqrt{160 r^{2} + \sqrt{71 r^{4} + \sqrt{100 r^{8}}}}

A. 9r²
B. 12

\sqrt{3 r}

C. 13r
D.

\sqrt{13 r}

View Answer & Explanation

Question 30:

JAMB 1990

Simplify

\sqrt{27}

+

\frac{3}{\sqrt{3}}

A. 4

\sqrt{3}

B.

\frac{4}{\sqrt{3}}

C. 3

\sqrt{3}

D.

\frac{\sqrt{3}}{4}

View Answer & Explanation

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