Differentiate w.r.t. x
26x
Evaluate
13x^{2}
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\frac{\mathrm{d}}{\mathrm{d}x}(13x^{2})
Combine 21x^{2} and -8x^{2} to get 13x^{2}.
2\times 13x^{2-1}
The derivative of ax^{n} is nax^{n-1}.
26x^{2-1}
Multiply 2 times 13.
26x^{1}
Subtract 1 from 2.
26x
For any term t, t^{1}=t.
13x^{2}
Combine 21x^{2} and -8x^{2} to get 13x^{2}.
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