Question

Find the 5th term of g.p. 1/7 , 1/14 , 1/28...

Answer 1

Answer:

1/112

Step-by-step explanation:

a=1/7

r=(1/14) / (1/7)

= 1/2

a5 = a r ^ (5-1)

=1/7 * ( 1/2) ^ 4

= 1/7 * 1/16

=1/112

Answer 2

Answer:

1/112

Step-by-step explanation:

a=1/7

r=T2/T1=1/14/1/7=1/2

T5=a$r^4$=(1/7)(1/16)=1/112