How Do You Expand \( (n+1)^3 \)?

I am going to expand \( (n+1)^3 \) through the formula.

=> \( (a+b)^3 = a^3 +b^3 + 3a^2b + 3ab^2 \)

=> \( (n+1)^3 = n^3 +1^3 + 3n^2 \times 1 + 3n \times 1^2 \)

=> \( (n+1)^3 = n^3 +1 + 3n^2  + 3n \)

=> \( (n+1)^3 = n^3 + 3n^2  + 3n  +1 \)

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