Evaluate
\frac{21∂}{2\left(x∂+1\right)}
Differentiate w.r.t. x
-\frac{21\times \left(\frac{∂}{x∂+1}\right)^{2}}{2}
Graph
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\frac{∂\times 21}{\left(∂x+1\right)\times 2}
Multiply \frac{∂}{∂x+1} times \frac{21}{2} by multiplying numerator times numerator and denominator times denominator.
\frac{∂\times 21}{2∂x+2}
Use the distributive property to multiply ∂x+1 by 2.
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