What is expand [(2F)/((S-1)(S+1))]-1/(S^2) ?

The solution to expand [(2F)/((S-1)(S+1))]-1/(S^2) is (2F)/(S^2-1)-1/(S^2)

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expand [(2F)/((S-1)(S+1))]-1/(S^2)

expand

[\frac{2 F}{( S - 1 ) ( S + 1 )}] - \frac{1}{S ^{2}}

\frac{2 F}{S ^{2} - 1} - \frac{1}{S ^{2}}

Solution steps

(\frac{2 F}{( S - 1 ) ( S + 1 )}) - \frac{1}{S ^{2}}

Remove parentheses:

(a) = a

= \frac{2 F}{( S - 1 ) ( S + 1 )} - \frac{1}{S ^{2}}

Expand

(S - 1) (S + 1) : S^{2} - 1

= \frac{2 F}{S ^{2} - 1} - \frac{1}{S ^{2}}

cos (2) (t - π)

(x + 1) \frac{d y}{d x}

\frac{( 8 x - 3 ) ( x + 2 )}{( x + 3 ) ( 2 x - 3 )}

(e^{c} - y - 2 x)^{2}

- \frac{40}{( 4 t + 1 ) ^{2}}

What is expand [(2F)/((S-1)(S+1))]-1/(S^2) ?
The solution to expand [(2F)/((S-1)(S+1))]-1/(S^2) is (2F)/(S^2-1)-1/(S^2)