Mi potete aiutare a trovare cosa non va un questo codice
L'errore è:codice:\documentclass{article} \usepackage{amsmath} \begin{document} \begin{multline*} sin^{2}z+cos^{2}z=\left(\frac{e^{iz}-e^{-iz}}{2i}\right)^{2}+ \left(\frac{e^{iz}-e^{-iz}}{2}\right)^{2}\\ =-\frac{left(e^{iz}-e^{-iz}\right)^{2}}{4}+\frac{\left(e^{iz}-e^{-iz}\right)^{2}{4}=\frac{\left(e^{iz}+e^{-iz}\right)^{2}-\left(e^{iz}-e^{-iz}\right)^{2}{4}=\frac{[\left(e^{iz}+e^{-iz}\right)-\left(e^{iz}+e^{-iz}\right)][\left(e^{iz}+e^{-iz}\right)+\left(e^{iz}+e^{-iz}\right)]}{4}\\ =\frac{\left(2e^{-iz}\right) \left(2e^{iz}\right)}{4}=\frac{4e^{0}}{4}=1 \end{multline*} \end{document}
Runaway argument?
sin^{2}z+cos^{2}z=\left (\frac {e^{iz}-e^{-iz}}{2i}\right )^{2}+ \left \ETC.
! File ended while scanning use of \multline*.
<inserted text>
! Missing $ inserted.
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$
! Missing \endgroup inserted.
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\endgroup
! Display math should end with $$.
<to be read again>
Dovrebbe venire così:
Latex_equ2.jpg
Grazie.