Question

An infinite GP has first terms x and sum 5 then the range of x

Answer 1

Step-by-step explanation:

S= x/1-r. (first term is x)

5=x/1-r

but |r|<1

x=5-5r

x-5/5=r

-1<x-5/5<1

-5<x-5<5

0<x<10

therefore range is (0,10)

I hope it's help you