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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
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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