Question

What is 7root3 ×root3??​ ​

Answer 1

Answer:

It is 7root3^2.

Step-by-step explanation:

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Answer 2

Answer:

$7\sqrt{3} \times \sqrt{3} = 21 \\ \sqrt{3} \times \sqrt{3} = 3 \\ so..7 \times 3 = 21$