Question

b²/√a²+b² + a
Rationalise​

Answer 1

Answer:

root (a^2 + b^2) - a

Step-by-step explanation:

First multiply the numerator and denominator by root (a^2 + b^2) - a

Then by multiplying in denominator by identity a^2-b^2 = (a+b)(a-b)

now in denominator we get a^2+b^2-a^2

and in numerator b^2[root (a^2 + b^2) - a]

so by cancelling we get root (a^2 + b^2) - a

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