Question

$$2(SI { N }^{ 6 } +CO { S }^{ 6 } )-3(SI { N }^{ 4 } +CO { S }^{ 4 } )=-1$$

Solve for I

$I=-\frac{2COS^{6}-3COS^{4}+1}{S\left(2N^{2}-3\right)N^{4}}$
$N\neq 0\text{ and }S\neq 0\text{ and }|N|\neq \frac{\sqrt{6}}{2}$

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