Question

Rationalise the denominator of unroot 5/ 2-root 7​

Answer 1

Hey! what your question clear first you want 5÷√7-√2 if this then your is 5÷√7-√2

Answer 2

Answer :

Here is your answer !!

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➡ 5 / √ 7 - √2

➡ 5 × ( √7 + √2 ) / ( √7 - √2 ) ( √7 + √2 )

➡ 5 × (√ 7 + √2 ) / ( √7)2 - (√2)2

➡ 5 × ( √7 + √2 ) / 7 - 2

➡ 5 × ( √7 + √2 ) / 5

➡ √ 7 + √ 2

Hope it helps you !!