What is expand (n^2+n-1)/((2n+2)^2) ?

The solution to expand (n^2+n-1)/((2n+2)^2) is (n^2+n-1)/(4n^2+8n+4)

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expand (n^2+n-1)/((2n+2)^2)

expand

\frac{n ^{2} + n - 1}{( 2 n + 2 ) ^{2}}

\frac{n ^{2} + n - 1}{4 n ^{2} + 8 n + 4}

Solution steps

\frac{n ^{2} + n - 1}{( 2 n + 2 ) ^{2}}

(2 n + 2)^{2} = 4 n^{2} + 8 n + 4

= \frac{n ^{2} + n - 1}{4 n ^{2} + 8 n + 4}

\frac{d}{d x} (\frac{( 10 x ^{2} - 7 x - 12 ) x}{( 10 z + 8 ) ( 2 x + 3 )})

3242

c u r l (y e^{x y} + x e^{x y} + cos (z))

\frac{45}{250}

\frac{2}{s ( s + 3 )}

What is expand (n^2+n-1)/((2n+2)^2) ?
The solution to expand (n^2+n-1)/((2n+2)^2) is (n^2+n-1)/(4n^2+8n+4)