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प्रश्न
Write the possible unit's digit of the square root of the following number. Which of these number odd square root?
998001
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उत्तर
The unit digit of the number 998001 is 1. So, the possible unit digits are 1 or 9. Note that 998001 is equal to (33 x 37)2. Hence, the square root is an odd number.
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