Differentiate w.r.t. σ
10\sigma
Evaluate
5\sigma ^{2}
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2\times 5\sigma ^{2-1}
The derivative of ax^{n} is nax^{n-1}.
10\sigma ^{2-1}
Multiply 2 times 5.
10\sigma ^{1}
Subtract 1 from 2.
10\sigma
For any term t, t^{1}=t.
Examples
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Matrix
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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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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