[tex]if a = 3 + \sqrt{5} \div 2 \: find \: the \: value \: of \: a {}^{2} + 1 \div a {}^{2} [/tex]
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1 thought on “<br />[tex]if a = 3 + \sqrt{5} \div 2 \: find \: the \: value \: of \: a {}^{2} + 1 \div a {}^{2} [/tex]<br />​”