What is expand (sec^2(x/(x+1)))/((x+1)^2) ?

The solution to expand (sec^2(x/(x+1)))/((x+1)^2) is (sec^2(x/(x+1)))/(x^2+2x+1)

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expand (sec^2(x/(x+1)))/((x+1)^2)

expand

\frac{sec ^{2} ( \frac{x}{x + 1} )}{( x + 1 ) ^{2}}

\frac{sec ^{2} ( \frac{x}{x + 1} )}{x ^{2} + 2 x + 1}

Solution steps

\frac{sec ^{2} ( \frac{x}{x + 1} )}{( x + 1 ) ^{2}}

(x + 1)^{2} = x^{2} + 2 x + 1

= \frac{sec ^{2} ( \frac{x}{x + 1} )}{x ^{2} + 2 x + 1}

(3 x^{2} + 4 y^{2} = 12) (\frac{1}{12})

(T - b) \cdot (T - c) \cdot (T - d) \cdot (T - e) \cdot (T - f)

1 + 4 x^{2} (x^{2} - 1)

2 - 4 (1 - 3 x = 82)

What is expand (sec^2(x/(x+1)))/((x+1)^2) ?
The solution to expand (sec^2(x/(x+1)))/((x+1)^2) is (sec^2(x/(x+1)))/(x^2+2x+1)