Evaluate
81x^{2}
Differentiate w.r.t. x
162x
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\frac{\mathrm{d}}{\mathrm{d}x}(3^{3}x^{3})
Expand \left(3x\right)^{3}.
\frac{\mathrm{d}}{\mathrm{d}x}(27x^{3})
Calculate 3 to the power of 3 and get 27.
3\times 27x^{3-1}
The derivative of ax^{n} is nax^{n-1}.
81x^{3-1}
Multiply 3 times 27.
81x^{2}
Subtract 1 from 3.
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