Question Detail

MTH 101 MTH 101 Past Questions Objective Question
Take CBT

Question

The sum 1³ + 2³ + ... + n³ is?
Options
A n(n+1)/2
B [n(n+1)/2]²
Correct Answer
C n²(n+1)/4
D n²(n+1)²/4
Correct Answer

Option B is the correct answer.

Detailed Explanation

The sum of cubes of first n natural numbers is given by the formula [n(n+1)/2]², which is equal to n²(n+1)²/4.

Hint

This is a standard formula for sum of cubes.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 431 of 696
Previous Course Details Next