Question

1^3+2^3+3^3+___n^3=
A) n^2(n+1)^2/4
B) n(n+1)/4
C) n(n+1)(2n+1)/6
D) n(n+1)/2​

Answer 1

Answer:

b is a right option

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Answer 2

Answer:

b is right answer

by mathematical induction .