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Popular >

simplify sqrt(7)*sqrt(21)

Solution

simplify

7 \cdot 21

Solution

73

+1

Solution steps

721

21 = 73

= 773

Apply radical rule:

a a = a, a \geq 0

77 = 7

= 73

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simplify 1/(sqrt(1/4))simplify

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Frequently Asked Questions (FAQ)

What is sqrt(7)*sqrt(21) ?
The solution to sqrt(7)*sqrt(21) is 7sqrt(3)