Differentiate w.r.t. y
-4y^{3}
Evaluate
25-y^{4}
Graph
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\frac{\mathrm{d}}{\mathrm{d}y}(25-y^{4})
Calculate the square root of 625 and get 25.
4\left(-1\right)y^{4-1}
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}.
-4y^{4-1}
Multiply 4 times -1.
-4y^{3}
Subtract 1 from 4.
25-y^{4}
Calculate the square root of 625 and get 25.
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