Differentiate w.r.t. y
256y
Evaluate
128y^{2}
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\frac{\mathrm{d}}{\mathrm{d}y}(128y^{2})
Multiply 64 and 2 to get 128.
2\times 128y^{2-1}
The derivative of ax^{n} is nax^{n-1}.
256y^{2-1}
Multiply 2 times 128.
256y^{1}
Subtract 1 from 2.
256y
For any term t, t^{1}=t.
128y^{2}
Multiply 64 and 2 to get 128.
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