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Evaluate
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Differentiate w.r.t. r
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44r^{2}\times 30.25\times 4
Calculate 5.5 to the power of 2 and get 30.25.
1331r^{2}\times 4
Multiply 44 and 30.25 to get 1331.
5324r^{2}
Multiply 1331 and 4 to get 5324.
\frac{\mathrm{d}}{\mathrm{d}r}(44r^{2}\times 30.25\times 4)
Calculate 5.5 to the power of 2 and get 30.25.
\frac{\mathrm{d}}{\mathrm{d}r}(1331r^{2}\times 4)
Multiply 44 and 30.25 to get 1331.
\frac{\mathrm{d}}{\mathrm{d}r}(5324r^{2})
Multiply 1331 and 4 to get 5324.
2\times 5324r^{2-1}
The derivative of ax^{n} is nax^{n-1}.
10648r^{2-1}
Multiply 2 times 5324.
10648r^{1}
Subtract 1 from 2.
10648r
For any term t, t^{1}=t.