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MATHEMATICS

JAMB 2009 - Question 9

Mathematics 2009 JAMB Past Questions - Question 9: Simplify 5+√7 / 3+√7 .

Simplify 5+√7 / 3+√7 .

A: 17-1√7

B: 4- √7

C: 15+√7

D: 7-√7

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Correct Answer

Explanation

5+ √7 /3+√7 X 3-V7 /3-√7= 15 -5 V7 + 3 V7- 7/9-7 = 8 –2√7/2 = 4 –V7