Question

For every natural no 'n',(n+1)^2-n^2 equals

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Answer 1

The answer is 2n+1(It's an odd number.)

Because (n+1)²=(n+1)(n+1)=n(n+1)+1(n+1)=n²+2n+1

And because (n²+2n+1)-n²=2n+1 (You can subtract with same degrees.)

Answer 2

Answer:

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