Question

Rationalise the denominator √7−1/
√7+1

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Answer 1

Answer:

Hope it helps u

Step-by-step explanation:

$\sqrt{7 - 1 } \div \sqrt{7 + 1} \\ \sqrt{7 - 1} \times \sqrt{7 - 1} \div \sqrt{7 + 1} \times \sqrt{7 - 1} \\ \sqrt{49 + 1 - 2 \times 7 \times 1} \div \sqrt{49 - 1} \\ \sqrt{36} \div \sqrt{48} \\ 6 \div 4 \sqrt{3}$