Question

rationalize the denominator and simplify
$\frac{1}{7 - \sqrt{5} }$
​

Answer 1

Step-by-step explanation:

=1/7-√5

=(1/7-√5)×(7+√5/7+√5)

=7+√5{(7)²-(√5)²}

=7+√5/49-5

=7+√5/44

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