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Murrr4er [49]
3 years ago
6

Simplify:

Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

<u>Answer</u>

3 square root of 7



<u>Explanation</u>

square root of 3 times square root of 21

√3 × √21 = √(3×21)

                  = √63

                  = √(9×7)

                  = √9 × √7

                    = 3 × √7

                   = 3√7

The answer is 3 square root of 7


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