the following numbers are obviously not perfect square give reason 1. 1057, 2. 23453, 3. 22222, 4. 64000, 5. 7928 answer in step by step
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(i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050. ∴ 1057 is not a perfect square. Since, the ending digit is 7 (which is not one of 0, 1, 4, 5, 6 or 9). ... ∴ 7928 is not a perfect square
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