Squares and Square Roots
not a perfect square. So we can also say that if a natural number cannot be expr essed as a sum of successive odd natural numbers starting with 1, then it is not a perfect square. We can use this result to find whether a number is a perfect square or not. 4. A sum of consecutive natural numbers Consider the following 32 = 9 = 4 + 5 52 = 25 = 12 ...
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