If √2 = 1.4142, the value of 7/ (3 + √2) is

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If √2 = 1.4142, the value of 7/ (3 + √2) is ?

1. 1.5858
2. 4.4142
3. 3.4852
4. 3.5858

Correct Option: A

7/(3 + √2) = [7 x (3- √2)] / [(3 + √2) x (3- √2)]
= [7 x ( (3- √2)] / 7
= 3- √2
= 3 - 1.4142
= 1.5858