Evaluate
Differentiate w.r.t. x
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x^{3}\times 3x
To multiply powers of the same base, add their exponents. Add 1 and 2 to get 3.
x^{4}\times 3
To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.
\frac{\mathrm{d}}{\mathrm{d}x}(x^{3}\times 3x)
To multiply powers of the same base, add their exponents. Add 1 and 2 to get 3.
\frac{\mathrm{d}}{\mathrm{d}x}(x^{4}\times 3)
To multiply powers of the same base, add their exponents. Add 3 and 1 to get 4.
4\times 3x^{4-1}
The derivative of ax^{n} is nax^{n-1}.
12x^{4-1}
Multiply 4 times 3.
12x^{3}
Subtract 1 from 4.