Question

Prove that for all positive integers n, (1^3) + (2^3) + ... + (n^3) = (1+2+...+n)^2

Prove that for all positive integers n,

(1^3) + (2^3) + ... + (n^3) = (1+2+...+n)^2

Homework Answers

Answer #1

That's easy.

Have a close look and thumb up.

Have a great day!!!!

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Problem 1. Prove that for all positive integers n, we have 1 + 3 + ....
Problem 1. Prove that for all positive integers n, we have 1 + 3 + . . . + (2n − 1) = n ^2 .
Prove that 1−2+ 2^2 −2^3 +···+(−1)^n 2^n =2^n+1(−1)^n+1 for all nonnegative integers n.
Prove that 1−2+ 2^2 −2^3 +···+(−1)^n 2^n =2^n+1(−1)^n+1 for all nonnegative integers n.
Use Mathematical Induction to prove that 3 | (n^3 + 2n) for all integers n =...
Use Mathematical Induction to prove that 3 | (n^3 + 2n) for all integers n = 0, 1, 2, ....
Find all integers n (positive, negative, or zero) so that (n^2)+1 is divisible by n+1. ANS:...
Find all integers n (positive, negative, or zero) so that (n^2)+1 is divisible by n+1. ANS: n = -3, -2, 0, 1
Exercise 1. Prove that floor[n/2]ceiling[n/2] = floor[n2/4], for all integers n.
Exercise 1. Prove that floor[n/2]ceiling[n/2] = floor[n2/4], for all integers n.
Prove Euler’s theorem: if n and a are positive integers with gcd(a,n)=1, then aφ(n)≡1 modn, where...
Prove Euler’s theorem: if n and a are positive integers with gcd(a,n)=1, then aφ(n)≡1 modn, where φ(n) is the Euler’s function of n.
Statement: "For all integers n, if n2 is odd then n is odd" (1) prove the...
Statement: "For all integers n, if n2 is odd then n is odd" (1) prove the statement using Proof by Contradiction (2) prove the statement using Proof by Contraposition
Prove that n − 1 and 2n − 1 are relatively prime, for all integers n...
Prove that n − 1 and 2n − 1 are relatively prime, for all integers n > 1.
.Prove that for all integers n > 4, if n is a perfect square, then n−1...
.Prove that for all integers n > 4, if n is a perfect square, then n−1 is not prime.
Using PMI prove that the sum of the first n positive odd integers is n2? Is...
Using PMI prove that the sum of the first n positive odd integers is n2? Is there a way to prove it substituting n+1 for n in the LHS and RHS?