Question

If 25 power n- 1 +100 = 5 power 2 n-1 then find the value of n?

Answer 1

Answer:

5^2 n-1-5^2n-2=100

5^2n-2(5-1)=100

5^2n-2=100/4=25

5^2n-2=5^2

2n-2=2

2n=4

n=2