concept of squares natural numbers for class 8
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Answer:
When a number or integer (not a fraction) is multiplied by itself, the resultant is called a ‘Square Number’. For example, 3 multiplied by 3 is equal to 3-squared or 3 x 3 = 32. So, basically, the exponential form of multiplication of a number or integer by itself is called a square number. Also, if we again multiply the number by itself, then we get a cube of the integer., a x a x a = a3.
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Answer:
A natural number is not a perfect square when it cannot be expressed as a sum of successive odd natural numbers starting with 1. If we subtract the consecutive odd natural number starting from 1 and the final result is zero, then the number in a perfect square.
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