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First note that 84=4x21 and 4 is a perfect square.

So square root of (84)=square root (4x21)=Square root (4) Square root (21)=

2 multiplied by the square root of 21.

You can also write this using rational exponents, but this is not in radical form.

It is an equivalent expression, however.

2 x (21)1/2

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Q: What is the simplest radical from of the square root of 84?

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The square root of 7056 is 84.

84

- 9.165151 or + 9.165151

irrational

It is: 2 times the square root of 21 and it's an irrational number

Related questions

No. The square root of 84 is an irrational number

If you mean 84 squared then it is 84*84 = 7056 If you mean the square root of 84 then it is 2 times the square root of 21 which is an irrational number

The square root of 7056 is 84.

No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number

No. The sq root of 84 is 9.16555515139. 81 is a perfect square, where the sq root is 9.

The square roots of 84 are irrational.

84

Root 64 is 8, if by root you mean the square root. Then the problem become -square root 84(6+8) which is the - square root of 84(14) But square root of 84 is 2(square root of 21) so the final answer comes from -2(square root 21)x14 which is -28square root (21)

√84 is irrational.

- 9.165151 or + 9.165151

84 is not the square of an integer, its square root, rounded to five decimal places, is ±9.16515.

Expressed as a surd, the square root of 84 is equal to 2 sqrt (21). √84 = √(4 x 21) = √4√21 = 2√21

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