Question

simplify each of the following by rationalising the denominator. √7-√5/√7+√5​

Answer 1

Answer:

$\frac{ \sqrt{7 } - \sqrt{5} }{ \sqrt{7} + \sqrt{5} }$

$= \frac{ {( \sqrt{7} - \sqrt{5} ) }^{2} }{ 7- 5}$

$= \frac{{( \sqrt{7} - \sqrt{5} )}^{2} }{2}$

Step-by-step explanation:

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