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28 votes
28 votes

\sqrt{49a^(4) b

User Tiago Freitas Leal
by
2.9k points

1 Answer

6 votes
6 votes

Answer:

7

Explanation:

Every positive number has 2 square roots, one positive and another one is negative. Square root of 49 is +7.

User Raserhin
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2.5k points