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Simply the problem.
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5 votes
Simply the problem.

Simply the problem.-example-1
User Phil
by
4.3k points

2 Answers

4 votes

Answer:

3√7

Explanation:

√3×√21=√63

√63=√7×√9=√7 × 3

=3√7

User Ailurus
by
4.1k points
1 vote

Answer:

C

Explanation:


√(3)\cdot√(21)= \\\\√(3\cdot 21)= \\\\√(63)= \\\\3√(7)

Therefore, the correct answer is choice C. Hope this helps!

User GHH
by
4.3k points
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