Question

express each of the following with rational denominator a+b / root a-b

Answer 1

Step-by-step explanation:

$= \frac{a + b}{ \sqrt{a - b} } \\ = \frac{a + b}{ \sqrt{a - b} } \times \frac{\sqrt{a + b}}{\sqrt{a + b}} \\ = \frac{a + b \sqrt{a + b} }{ \sqrt{{a}^{2} - {b}^{2} } }$

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