n+1)^2 - n^2 = ? – InterviewSolution

1.	n+1)^2 - n^2 = ?
Answer» \((n+1)^2-n^2=( n^2+2n+1)-n^2\\ \qquad \quad \qquad \quad =2n+1\) Answer : (n+1)²-n²= 2n+1

n+1)^2 - n^2 = ?

Answer»

\((n+1)^2-n^2=( n^2+2n+1)-n^2\\ \qquad \quad \qquad \quad =2n+1\)

Answer : (n+1)²-n²= 2n+1

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n+1)^2 - n^2 = ?

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