Differentiate w.r.t. y
62y
Evaluate
31y^{2}
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2\times 31y^{2-1}
The derivative of ax^{n} is nax^{n-1}.
62y^{2-1}
Multiply 2 times 31.
62y^{1}
Subtract 1 from 2.
62y
For any term t, t^{1}=t.
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