[tex] = \frac{1}{(4 {x}^{3} - b^{4} ) {}^{3} } [/tex]
Step-by-step explanation:
[tex](4 {x}^{3} - b ^{4} )^{ - 3} [/tex]
[tex] = \frac{1}{(4 {x}^{3} - b {}^{4} \: )^{3} } [/tex]
hope it helps
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