Question

PLEASE HELP!!!!
IM SO LOST

Answer 1

To calculate
`r`, calculate the quotient of two consecutive terms.

`r = ((2(n+1)!)/(2^(2(n+1))))/((2n!)/(2^(2n)))= (n+1)/(4)`

For all
`n \ge 4`,
`r>1`, so the series converges, as the series grows (even more than) exponentially.