Question

$if a = 3 + \sqrt{5} \div 2 \: find \: the \: value \: of \: a {}^{2} + 1 \div a {}^{2}$
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Answer 1

Answer:

1If α and β are the zeroes of a polynomial such that α + β = -7 and αβ = 10, then find the polynomial.

*Answer.