Differentiate w.r.t. y
\frac{68y}{15}
Evaluate
\frac{34y^{2}}{15}
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2\times \frac{34}{15}y^{2-1}
The derivative of ax^{n} is nax^{n-1}.
\frac{68}{15}y^{2-1}
Multiply 2 times \frac{34}{15}.
\frac{68}{15}y^{1}
Subtract 1 from 2.
\frac{68}{15}y
For any term t, t^{1}=t.
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