Question

find the ratio of A6 and A8 the geometric progression √32;√16;√8....

PLZZ help me yaar I had no points ​

Answer 1

Answer:

a=√32=4√2

d=√16-√32

=4-4√2

A6=4√2+(6-1) (4-4√2)

=4√2+5(4-4√2)

=4√2+20-20√2

=20-16√2

=4(5-4√2)

now, A8=4√2+(8-1) (4-4√2)

=4√2+7(4-4√2)

=4√2+28-28√2

=28-24√2

=4(7-6√2)

then, A6:A8=4(5-4√2) :4(7-6√2)

=(5-4√2) :(7-6√2)