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If x = \(\frac{2}{3+\sqrt7}\), then (x - 3)2 =

A. 1

B. 3

C. 6

D. 7

1 Answer

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Best answer

Given X = 2/(3+√7)

= (x - 3)2 = ( 3 - √7 - 3 )2 = √72 = 7

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