Question

Multiply
(5√3 +3√5) and (2√3 +5√5)​

Answer 1

$(5 \sqrt{3} + 3 \sqrt{5} ) \times (2 \sqrt{3} + 5 \sqrt{5} )$

$= > 30 + 25 \sqrt{15} + 6 \sqrt{15} + 375$

$= > 405 + 31 \sqrt{15}$

I think it's correct..

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Answer 2

Answer:

(5√3+3√5)(2√3+5√5)

=5√3×2√3+3√5×2√3+5√3×5√5+3√5×5√5

=30+6√15+25√15+75

=105+31√15