Question

find the value of a and b if
$\frac{7 + 3 \sqrt{5} }{3 + \sqrt{5} } - \frac{7 - 3 \sqrt{5} }{3 + \sqrt{5} } = a + b \sqrt{5}$
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Answer 1

the value of a is =21/4 and the value of b is = -7/4

Answer 2

hope it helps!!

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