\lim ( 1 - q ^ { 4 } ) = 15
Solve for l
l=\frac{15}{Im(q^{2})\left(Im(q)\right)^{2}-Im(q^{2})\left(Re(q)\right)^{2}-2Re(q)Im(q)Re(q^{2})-2Re(q)Im(q)+Im(q^{2})}
Im(q^{2})\left(\left(Im(q)\right)^{2}-\left(Re(q)\right)^{2}+1\right)-2Re(q)Im(q)\left(Re(q^{2})+1\right)\neq 0
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\left(-Im(q^{4})\right)l=15
The equation is in standard form.
\frac{\left(-Im(q^{4})\right)l}{-Im(q^{4})}=\frac{15}{-Im(q^{4})}
Divide both sides by -Im(q^{4}).
l=\frac{15}{-Im(q^{4})}
Dividing by -Im(q^{4}) undoes the multiplication by -Im(q^{4}).
l=-\frac{15}{Im(q^{4})}
Divide 15 by -Im(q^{4}).
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