Math, asked by dilpreet91, 10 months ago

how to find the the root of the following by units and 10 digits

Answers

Answered by ann1t

Answer:

If a perfect square ends with a 1, then the unit's digit of its square root has to be either 1 or 9. If a perfect square ends with a 4, then the unit's digit of its square root has to be either 2 or 8. If a perfect square ends with a 5, then the unit's digit of its square root is definitely 5.

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