Question

find the value of n​

Answer 1

Answer:

Here is step by step. Explanation

Answer 2

Answer:

2^n-7×5^n-4=1250

take lcm of 1250

then make it in power of 2 and 5

that is

2^n-7×5^n-4=2^1×5^4

power of same number is equal to each other

n-7=1

n=8

n-4=4

n=8