- three *n^ three /(n + one)^ four + three *n^ two /(n + one)^ three = zero
minus 3 multiply by n cubed divide by (n plus 1) to the power of 4 plus 3 multiply by n squared divide by (n plus 1) cubed equally 0
minus three multiply by n to the power of three divide by (n plus one) to the power of four plus three multiply by n to the power of two divide by (n plus one) to the power of three equally zero
-3*n3/(n + 1)4 + 3*n2/(n + 1)3 = 0
-3*n3/n + 14 + 3*n2/n + 13 = 0
-3*n³/(n + 1)⁴ + 3*n²/(n + 1)³ = 0
-3*n to the power of 3/(n + 1) to the power of 4 + 3*n to the power of 2/(n + 1) to the power of 3 = 0
-3n^3/(n + 1)^4 + 3n^2/(n + 1)^3 = 0
-3n3/(n + 1)4 + 3n2/(n + 1)3 = 0
-3n3/n + 14 + 3n2/n + 13 = 0
-3n^3/n + 1^4 + 3n^2/n + 1^3 = 0
-3*n^3 divide by (n + 1)^4 + 3*n^2 divide by (n + 1)^3 = 0