Differentiate w.r.t. x_1
7x_{1}^{6}
Evaluate
x_{1}^{7}
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7x_{1}^{7-1}
The derivative of ax^{n} is nax^{n-1}.
7x_{1}^{6}
Subtract 1 from 7.
Examples
Quadratic equation
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4 \sin \theta \cos \theta = 2 \sin \theta
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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