Question

root 7/root7+5 rationalize the denominator

Answer 1

here is your answer mate

Answer 2

Solution :

Given √7/(√7 + 5 )

= [√7(5-√7)]/[(5+√7)(5-√7)]

=[5√7 -7 ]/[5²-(√7)²]

= (5√7 - 7)/(25-7)

= (5√7-7)/18

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