Question #9de71

1 Answer
Oct 22, 2017

See below.

Explanation:

If #2^((2n+1)-2)#. This is how you have written it, but maybe this is not how you intended it to be read.

First term will be when #n= 1#. So:

#2^((3)-2)=2#

To find the common ratio, calculate the first 3 terms:

#2^((3)-2)=2#

#2^((5)-2)=8#

#2^((7)-2)=32#

Ratio:

#8/2=32/8=color(blue)(4)#

So:

1st term 2, common ratio 4