Differentiate w.r.t. y_7
2
Evaluate
2y_{7}
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\frac{\mathrm{d}}{\mathrm{d}y_{7}}(y_{7}\times 2)
Calculate the square root of 4 and get 2.
2y_{7}^{1-1}
The derivative of ax^{n} is nax^{n-1}.
2y_{7}^{0}
Subtract 1 from 1.
2\times 1
For any term t except 0, t^{0}=1.
2
For any term t, t\times 1=t and 1t=t.
y_{7}\times 2
Calculate the square root of 4 and get 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}