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Examine if each of the following is a perfect square. (i) 725 (ii) 190 (iii) 841 (iv) 1089 |
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Answer» A number is said to be perfect square is the factors of the number are in pair We have given numbers (i) 725 = 5×5×29 As the factors of 725 are not in pair so it is not a perfect square (ii) 190 = 2×5×19 Factor of 190 are not in pair so it is not a perfect square (iii) 841 = 29 ×29 Factor of 814 are in pair so 841 is a perfect square (iv) 1089 = 3×3×11×11 As the factor of 1089 are in pair so it is a perfect square |
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