Question

Why [n- (n-1)3 = 3n2-3n+1] is used to find the equation of the sum of the square of the first in natural numbers

JEE/Engineering Exams

Maths

Solution

138

4.0 (1 ratings)

( n^{3}-(n-1)^{3}=3 n^{2}-3 n+1 ) is an identity which is being wed. which is out g your syllabels.