Question

rationalise the denomianater of
4/3-√7​

Answer 1

Step-by-step explanation:

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Answer 2

$\frac{4}{3 - \sqrt{7} } \\ \\ = \frac{4}{3 - \sqrt{7} } \times \frac{3 + \sqrt{7} }{3 + \sqrt{7} } \\ \\ = \frac{4(3 + \sqrt{7} )}{ {3}^{2} - ( { \sqrt{7}) }^{2} } \\ \\ = \frac{12 + 4 \sqrt{7} }{9 - 7} \\ \\ = \frac{12 + 4 \sqrt{7} }{2}$