Question

$(5 + \sqrt{7)} (2 + \sqrt{5)}$
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Answer 1

$\bf (5 + \sqrt{7} )(2 + \sqrt{5})$

$\bf5 \times 2+5 \sqrt{5} + \sqrt{7} \times 2+ \sqrt{7} \sqrt{5}$

$\bf \: 10+5 \sqrt{5} +2 \sqrt{7} + \sqrt{35}$

$\bf \: Exact \: Answer \: :$

$\red{ \sf \: 10+5 \sqrt{5} +2 \sqrt{7} + \sqrt{35} }$

$\bf \: Decimal \: Form \: :$

$\red{32.38792229}$