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Numerade Educator

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Problem 15 Easy Difficulty

Differentiate the function.
$ R(a) = (3a + 1)^2 $

Answer

$$R^{\prime}(a)=9(2 a)+6(1)+0=18 a+6$$

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Video Transcript

it's clear. So when you married here. So we're gonna apply the square of a binomial, get nine a square. Class six A plus one. We're gonna different sheet both sides and we get nine to a to the two minus one, which is the power rule class six. This becomes zero, since it's the constant, it's 18 a plus six.