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प्रश्न
Write the possible unit's digits of the square root of the following numbers\. Which of these number is odd square root?
9801
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उत्तर
The unit digit of the number 9801 is 1. So, the possible unit digits are 1 or 9 (Table 3.4). Note that 9801 is equal to 992. Hence, the square root is an odd number.
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