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Question

Solve:
$(a^{\frac{1}{2}} + b^{\frac{1}{2}}) (a^{\frac{1}{2}} - b^{\frac{1}{2}})$

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Solution

Verified by Toppr

We have,
$(a^{\frac{1}{2}} + b^{\frac{1}{2}}) (a^{\frac{1}{2}} - b^{\frac{1}{2}})$

We know that
$(x + y) (x - y) = x^{2} - y^{2}$

Therefore,
$\Rightarrow a^{\frac{2}{2}} - b^{\frac{2}{2}}$
$\Rightarrow a - b$

Hence, this is the answer.

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