Consider an infinite geometric series with first term and common ratio . If its sum is 4 and the second term is , then...

(d) : We have and ar =34 a ; a1-3 / 4 a=4 4 a^24 a-3=4 a^2=4 a-3 (a-1)(a-3)=0 a=1 or 3 and when a=3, r=1 / 4...

Consider an infinite geometric series with first term a and common ratio r. If its sum is 4 and the second term is \frac{3}{4}, then: Sequence & Series (Mathematics)

Consider an infinite geometric series with first term

a

and common\n ratio

r

. If its sum is 4 and the second term is

\frac{3}{4}

,\n then

a = \frac{4}{7},r = \frac{3}{7}

a = 2,r = \frac{3}{8}

a = \frac{3}{2},r = \frac{1}{2}

\ a = 3,r = \frac{1}{4}