Question

Solve for n. n/n_1 +2/n+1 =2

Answer 1

Explanation:

`(n)/(n-1)+(2)/(n+1) = 2\\(n^2+n + 2n-2)/(n^2-1) = 2\\ n^2+3n-2 = 2n^2-2\\n^2=3n\\n^2-3n= 0\\n(n-3) = 0\\n = 0 \\or\\ n = 3`