Question

√10 X √15 equal too
a 5 √6
B 6√5
C 30
d 25​

Answer 1

$We \:have \: \sqrt{10} \times \sqrt{15} \\=\sqrt{10\times 15} \\= \sqrt{ 2\times 5 \times 5 \times 3 } \\= 5 \sqrt{2 \times 3} \\= 5 \sqrt{6}$

$\therefore \sqrt{10} \times \sqrt{15} = 5 \sqrt{6}$

$Option \: \pink{ (a) } \:is \: correct$

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Answer 2

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