Question

o Rationalize the denominatos,
1/√7+√2​

Answer 1

Step-by-step explanation:

1/√7+√2

by applying a²-b²=(a+b)(a-b)

=1*(√7-√2)/(√7+√2)(√7-√2)

=√7-√2/(√7)²-(√2)²

=√7-√2/7-2

=√7-√2/5

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Answer 2

Answer:

√7-√2/ 5

Step-by-step explanation:

Given,

1/ √7+√2

The Rationalising Factor = √7-√2

= 1/ √7+√2 (√7-√2/ √7-√2)

= √7-√2 / (√7)²- (√2)²

= √7-√2 / 7- 2

= √7-√2/ 5

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