Question

I'm try to strip out a term to have the sum start at n=0
but it turns out that I don't have to anything...I still don't understand why =/
\[0+\sum_{n=1}^\infty a_n nx^n=\sum_{n=0}^\infty a_n nx^n\]

Answer 1

@lgbasallote

Answer 2

@Algebraic!

Answer 3

@Callisto

Answer 4

@saifoo.khan