Evaluate
22
Differentiate w.r.t. x
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\frac{\mathrm{d}}{\mathrm{d}x}(22x)
Combine x and 21x to get 22x.
22x^{1-1}
The derivative of ax^{n} is nax^{n-1}.
22x^{0}
Subtract 1 from 1.
22\times 1
For any term t except 0, t^{0}=1.
22
For any term t, t\times 1=t and 1t=t.
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