Math, asked by funky66, 10 months ago

explain the thing.........

solve further​

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Answered by uditagupta2020
2

This is rationalization of denominator.

In second step the denominator is written that way because of the identity - [ (a+b) (a-b) = a^ - b^]

In third step denominator is written like that because root and square cancel each other.

HOPE IT HELPS ❤.

Answered by tanishka1626
0

Answer:

denominator rationalised..refer to attachment plz

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