If 
, find the value of x.
Given,
We know that,
25 = 5 × 5 = 52
125 = 5 × 5 × 5 = 53
= 53 = 5[(2x+1) -2] = 53
5[(2x+1)-2] = 5[2x-1] = 53
= 2x - 1 = 3
2x = 3 + 1 = 4
∴ x = 2
13
If , find the value of x.
Given,
We know that,
25 = 5 × 5 = 52
125 = 5 × 5 × 5 = 53
= 53 = 5[(2x+1) -2] = 53
5[(2x+1)-2] = 5[2x-1] = 53
= 2x - 1 = 3
2x = 3 + 1 = 4
∴ x = 2