Question

Q- if 1/81 + 1/91 = x/101 ,rhen what is rhe value of x​

Answer 1

Answer:

thanks for free points mate.......

Answer 2

Given : 1/8!  + 1/9!  = x/10!

To Find:  Value of x

Solution:

1/8!  + 1/9!  = x/10!

n! = n(n-1)(n-2) ........................(2)(1)

1/8!  + 1/9!  = x/10!

=> 9/9.8!  + 1/9!  = x/10!

n(n-1)!  = n!

=> 9/9!  + 1/9!  = x/10!

=> (9 + 1)/9!  = x/10!

=> 10/9!  = x/10!

=> 10/9!  = x/10. 9!

=> 10 = x/10

=> 10 * 10 = x

=> x  = 100

Value of x = 100

Learn More:

the largest positive integer k such that 12^k divides (109)! is - Brainly.in

https://brainly.in/question/9532149

what is the highest power of 91 that divides 78! ? - Brainly.in

https://brainly.in/question/11090581