Question

what is the rationalising factor of 7-3√5

Answer 1

7+3root 5 is the rationalizing factor

Answer 2

Hola Mate!!

Your answer :-

↪ The rationalising factor of

↪ $7 - 3 \sqrt{5} \: \: is \: \: 7 + 3 \sqrt{5}$

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