Which one is not a perfect square in the following:361, 839, 841, 961
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Answer:
839
Step-by-step explanation:
1) Given number =361=19square
361 is a perfect square number
2)839 can not be written as the product of same numbers ,839 is not a perfect square number
3)841=29 square ,it is a perfect square number
4)961 =31 square ,it is a perfect square number
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