passpadi

2011

Mathematics

JAMB

Simplify √2+1/√3)(√2-1/√3

A.

7/3

B.

5/3

C.

5/2

D.

3/2

Correct Answer: 5/3

Explanation

√2+1/√3)(√2-1/√3. √4-√2/√3+√2/√3-1/√9 = 2 - 1/3 = (16−1)/3 = 5/3

√2+1/√3)(√2-1/√3. √4-√2/√3+√2/√3-1/√9 = 2 - 1/3 = (16−1)/3 = 5/3
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