Question

Please answer with explanation
$(4 - \sqrt{5} )^{2}$
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Answer 1

Answer:

Please answer with explanation

$(4 - \sqrt{5} )^{2}$

Answer 2

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According to question:-

$= > {(4 - \sqrt{5} })^{2}$

${(x - y})^{2} = {x}^{2} + {y}^{2} - 2xy$

$= > {(4)}^{2} + {( \sqrt{5} })^{2} - 2(4)( \sqrt{5} )$

$= > 16 + 5 + \sqrt[8]{5}$

$= > 2 1+ \sqrt[8]{5}$

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