Differentiate w.r.t. y_3
450
Evaluate
450y_{3}
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\frac{\mathrm{d}}{\mathrm{d}y_{3}}(y_{3}\times 450)
Multiply 25 and 18 to get 450.
450y_{3}^{1-1}
The derivative of ax^{n} is nax^{n-1}.
450y_{3}^{0}
Subtract 1 from 1.
450\times 1
For any term t except 0, t^{0}=1.
450
For any term t, t\times 1=t and 1t=t.
y_{3}\times 450
Multiply 25 and 18 to get 450.
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