Question

if x = 3 + under root 5 then find the value of x square plus one upon x square

Answer 1

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Answer 2

IF,
$x = 3 + \sqrt{5}$
then
${x }^{2} + 1 \div {x}^{2}$
so plug value and rationalis you will get
$14 + 6 \sqrt{5 } + 14 - 6 \sqrt{5} \div 186$