Question

$1 + \sqrt{7 } \div 1 - \sqrt{7}$

please.
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Answer 1

Refer The Attachment ⬆️

• Value = $\Large{\red{\bold{\frac{4+\sqrt{7}}{-3}}}}$

$\Large{✓}$

Hope It Helps You ✌️

Answer 2

$\huge\bf{รσℓµƭเσɳ}$

$(a - b)( a+ b) = {a}^{2} - {b}^{2} \\\\ \frac{(1 +\sqrt7) {}^{2} }{( {1)}^{2} - ( \sqrt{7 )} {}^{2} }\\ \\ \frac{1 + 7 + 2 \sqrt{7} }{1 - 7} \\\\\frac{8 + 2 \sqrt{7} }{ - 6} \\\\ \frac{2(4 + \sqrt{7)} }{ - 6}$

$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:$ $\Large{\purple{\sf{\frac{4+\sqrt{7}}{-3}}}}$