Question

find the value of x so that (5/7)^2 / (5/7)^3x+1 =(5/7)^4​

Answer 1

To Find:

Value of x=?

Solution:

(5/7) ^²/(5/7) ^3x+1=(5/7) ^4

(5/7) ^2-3x+1=(5/7) ⁴

(5/7) ^ 3-3x=(5/7) ⁴

3-3x=4

3-4=3x

3x= -1

x= -1/3