If `(a^(n+1)+b^(n+1))/(a^n+b^n)` is the A.M. between `aa n db` . Then, find the value of `ndot`

Explanation

Arithmetic mean of a and b, AM `= (a+b)/2`


Given AM `= (a^n+b^n)/(a^(n-1) +b^(n-1))`


`=> (a+b)/2 = (a^n+b^n)/(a^(n-1) +b^(n-1))`


Cross multiply


...