Differentiate w.r.t. v
-1
Evaluate
20-v
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\frac{\mathrm{d}}{\mathrm{d}v}(20-v)
Add 13 and 7 to get 20.
-v^{1-1}
The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is 0. The derivative of ax^{n} is nax^{n-1}.
-v^{0}
Subtract 1 from 1.
-1
For any term t except 0, t^{0}=1.
20-v
Add 13 and 7 to get 20.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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