Question

√12*√15 is equal to
a) 5√6
b) 6√5
c) 10√5
d)√25

Answer 1

Answer:

$b. \: \: 6 \sqrt{5}$

Step-by-step explanation:

$\sqrt{12} \times \sqrt{15}$

$\sqrt{12 \times 15}$

$\sqrt{3 \times 2 \times 2 \times 3 \times 5}$

$6 \sqrt{5}$

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Answer 2

Answer:

$\sqrt{12} \times \sqrt{15} \\ = 2 \sqrt{3} \times \sqrt{15} \\ = 2 \sqrt{45} \\ = 2 \times 3 \sqrt{5} \\ = 6 \sqrt{5}$