Question

8. Find the value of (root7+2) (root7– 2).

Answer 1

(√7-2)² is the correct answer...

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Answer 2

$\large{\red{\underline{\underline{\tt{Answer}}}}}$

$( \sqrt{7 } + 2)( \sqrt{7} - 2) \\ = ( \sqrt{7} ) {}^{2} - {2}^{2} \\ = 7 - 2 \\ = 2$

${\bold{\pink{\text{Hope It Helps}}}}$

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