Progression (Sequence and Series)Hard

Question

The sum of the infinite series 1² + 2² x + 3² x² + ..... is-

Options

A.(1 + x) / (1 − x)³

B.(1 + x) / (1 − x)

C.x / (1 − x)³

D.1 / (1 − x)³

Solution

-

Create a free account to view solution

View Solution Free

Topic: Progression (Sequence and Series)·Practice all Progression (Sequence and Series) questions

More Progression (Sequence and Series) Questions

The sum of the series upto infinity is...-A man arrange to pay off a loan of Rs.3600 by 40 annual instalments which are in AP. When 30 of the instalments are pai...If 4 HM′s be inserted between 2/3 and 2/13, then the second HM is-...Geometric mean of the numbers 2, 22, 23, ....,2n is...If are in A.P. then-...