Question

There are n geometric means between 9/8 and 8/81 such that 27(nth mean)=8(2nd mean) find the value of n​

Answer 1

Answer:

ANSWER

3 & 81

⇒3,x,y,81

3y=x

2

x×81=y

2

9y

2

=x

2

y

2

=81x

9×81x=x

4

y

2

=3

4

⋅3

2

(x=9) (y=2y) (∴3,9,27,81).

solution