# What is the square root of 84?

Remove the two twos that are similar and arrange them outside the radical.

Hence,

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Note that:

Hence:

In fact we find:

From this we can define a sequence recursively as follows:

The first few terms of this sequence are:

So we find:

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TheThe squareThe square rootThe square root ofThe square root of 84 is approximately 9.165.The square root of 84 is approximately 9.16515138991168.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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