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Hint: We have to find out the digit’s unit’s place in the square root such that it’s square should give us 9801.

Complete step-by-step answer:

Given the digit 9801.

We have to find out the possibility such that the square root’s unit’s place should be 1.

The square given here is 9801.

If the square is ending with 1 , then the square root can end with either 1 or 9.

So, therefore the possible digits are 1 or 9.

Note: When solving these types of problems, find the possibility in accordance to the digit and the condition which is given (that is the unit’s place should end with some digit or in accordance to any condition which is given).

Complete step-by-step answer:

Given the digit 9801.

We have to find out the possibility such that the square root’s unit’s place should be 1.

The square given here is 9801.

If the square is ending with 1 , then the square root can end with either 1 or 9.

So, therefore the possible digits are 1 or 9.

Note: When solving these types of problems, find the possibility in accordance to the digit and the condition which is given (that is the unit’s place should end with some digit or in accordance to any condition which is given).

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