What is expand (3+(2i)/n)-(7(3+(2i)/n)^2) ?

The solution to expand (3+(2i)/n)-(7(3+(2i)/n)^2) is (-60n^2+28}{n^2}-\frac{82)/n i

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expand (3+(2i)/n)-(7(3+(2i)/n)^2)

expand

(3 + \frac{2 i}{n}) - (7 (3 + \frac{2 i}{n})^{2})

\frac{- 60 n ^{2} + 28}{n ^{2}} - \frac{82}{n} i

Solution steps

(3 + \frac{2 i}{n}) - (7 (3 + \frac{2 i}{n})^{2})

Simplify

(3 + \frac{2 i}{n}) - (7 (3 + \frac{2 i}{n})^{2}) : 3 + \frac{2 i}{n} - 7 (3 + \frac{2 i}{n})^{2}

= 3 + \frac{2 i}{n} - 7 (3 + \frac{2 i}{n})^{2}

Expand

- 7 (3 + \frac{2 i}{n})^{2} : \frac{- 63 n ^{2} + 28}{n ^{2}} - \frac{84}{n} i

= 3 + \frac{2 i}{n} + \frac{- 63 n ^{2} + 28}{n ^{2}} - \frac{84}{n} i

Simplify

3 + \frac{2 i}{n} + \frac{- 63 n ^{2} + 28}{n ^{2}} - \frac{84}{n} i : \frac{- 60 n ^{2} + 28}{n ^{2}} - \frac{82}{n} i

= \frac{- 60 n ^{2} + 28}{n ^{2}} - \frac{82}{n} i

- u_{2} e^{t - 2} + u_{2} e^{2 (t - 2)}

\frac{( 4 x + 5 ) ( 2 x + 3 )}{2}

- cos ((n - 1) \cdot π)

\frac{170 ( x )}{( x + 2 ) ^{2}}

, x (, x x 2 + y^{2})

What is expand (3+(2i)/n)-(7(3+(2i)/n)^2) ?
The solution to expand (3+(2i)/n)-(7(3+(2i)/n)^2) is (-60n^2+28}{n^2}-\frac{82)/n i