Question

please solve 2nd part
step by step explaination must be there.​

Answer 1

Answer:

n = {6,7}

Step-by-step explanation:

$^{25}C_{n+5} =\ ^{25}C_{2n-1}$

So , n+5 = 2n-1  or, n+5 = 25 - (2n-1)

► n = 6

n+5 = 25 - (2n-1)

► n+5 = 25 -2n+1

►3n=21

► n =7