Math, asked by sanjitMasih, 1 year ago

Prove that (3 - root 7)2 is an irrational number.

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Answered by vishalac01

24

(3-√7)^2=(3-√7)(3-√7) (3×3-3×√7-3×√7+√7×√7) (9-3√7-3√7+7) (16-6√7) So,(3-√7)^2is an irrational number

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