Question

mutiply 3 root 40 and 3 root 16​

Answer 1

QUESTION:

Multiply -

$3 \sqrt{40} \times 3 \sqrt{16}$

ANSWER:

$3 \sqrt{40} \times 3 \sqrt{16} \\ = >( 3 \sqrt{2 \times 2 \times 2 \times 5} )\times (3 \sqrt{2 \times 2 \times 2 \times 2} ) \\ = >( 3 \times 2 \sqrt{10} ) \times (3 \times 2 \times 2) \\ = > 6 \sqrt{10} \times 12 \\ = 72 \sqrt{10}$

Therefore, the Answer is 72√10

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