Evaluate
3\sqrt{5}r+5
Differentiate w.r.t. r
3 \sqrt{5} = 6.708203932
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3\sqrt{5}r+\left(\sqrt{5}\right)^{2}
Use the distributive property to multiply \sqrt{5} by 3r+\sqrt{5}.
3\sqrt{5}r+5
The square of \sqrt{5} is 5.
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