Infinite sum of reciprocal products

Calculus Level 3

14+24×7+34×7×10+44×7×10×13+=1a\frac 14 + \frac 2{4 \times 7} + \frac 3{4 \times 7 \times 10} + \frac 4{4 \times 7 \times 10 \times 13} + \cdots = \frac 1a

Find aa.


Inspiration

×

Problem Loading...

Note Loading...

Set Loading...