JEE Main 2023 Mathematics question

MathematicsSequence and SeriesJEE Main 2023

Consider a function f : N R, satisfying f(1) + 2f(2) + 3f(3) + …. + xf(x) = x(x +1)f(x) ; x2 with f(1) = 1. Then is equal to

Answer: (C)

Solution

Question ID VK-036932