What is ((3(1-z^{-1}))/((1+z^{-1))}+0.1)^2 ?

The solution to ((3(1-z^{-1}))/((1+z^{-1))}+0.1)^2 is ((3.1z-2.9)^2)/((z+1)^2)

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simplify ((3(1-z^{-1}))/((1+z^{-1))}+0.1)^2

simplify

(\frac{3 ( 1 - z ^{- 1} )}{( 1 + z ^{- 1} )} + 0.1)^{2}

\frac{( 3.1 z - 2.9 ) ^{2}}{( z + 1 ) ^{2}}

Solution steps

(\frac{3 ( 1 - z ^{- 1} )}{1 + z ^{- 1}} + 0.1)^{2}

Simplify

\frac{3 ( 1 - z ^{- 1} )}{1 + z ^{- 1}} + 0.1 : \frac{3.1 z - 2.9}{z + 1}

= (\frac{3.1 z - 2.9}{z + 1})^{2}

Apply exponent rule:

(\frac{a}{b})^{c} = \frac{a ^{c}}{b ^{c}}

= \frac{( 3.1 z - 2.9 ) ^{2}}{( z + 1 ) ^{2}}

2 x + 4 x + (8 x + 3 x - 10 x)

\frac{25 x ^{2} y ^{2}}{125 x ^{5} y ^{5}}

7 \cdot 60

3 - (4 - 3 x)^{2}

\frac{1 - a ^{2} b ^{4} c ^{8}}{1 - a b ^{2} c ^{4}}

What is ((3(1-z^{-1}))/((1+z^{-1))}+0.1)^2 ?
The solution to ((3(1-z^{-1}))/((1+z^{-1))}+0.1)^2 is ((3.1z-2.9)^2)/((z+1)^2)