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Popular >

simplify 2sqrt(21)*2sqrt(21)

Solution

simplify

221 \cdot 221

Solution

84

Solution steps

221 \cdot 221

Apply radical rule:

a a = a, a \geq 0

2121 = 21

= 2 \cdot 21 \cdot 2

Multiply the numbers:

2 \cdot 21 \cdot 2 = 84

= 84

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Frequently Asked Questions (FAQ)

What is 2sqrt(21)*2sqrt(21) ?
The solution to 2sqrt(21)*2sqrt(21) is 84