(3+root7)² please answer my question
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Step-by-step explanation:
(3-√7)^2 =(3^2) -(2×3×√7)+(√7^2)
=9-(6√7)+7
=6√7 +2
hence6√7 +2 is a irratinal number so(3-√7)^2 is irrational
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