Question

help plzz this is the question above ​

Answer 1

Answer:

the ans of the que is= 82/9

Answer 2

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If

$a = \frac{2 - \sqrt{5} }{2 + \sqrt{5} }$

and

$b = \frac{2 + \sqrt{5} }{2 - \sqrt{5} }$

then find

${a}^{2} + {b}^{2}$

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${a}^{2} + {b}^{2} = 332$

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