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Tanzania [10]
3 years ago
14

Use product rule to calculate the derivative of: 3

" title=" {x}^{2} " alt=" {x}^{2} " align="absmiddle" class="latex-formula">
.(2x-1)​
Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

18x² - 6x

Step-by-step explanation:

Differentiate using the product rule, that is

y = f(x)g(x), then

\frac{dy}{dx} = f(x)g'(x) + g(x)f'(x)

here

f(x) = 3x² ⇒ f'(x) = 6x

g(x) = 2x - 1 ⇒ g'(x) = 2, thus

\frac{d}{dx}(3x²(2x - 1)

= 3x² × 2 + 6x(2x - 1)

= 6x² + 12x² - 6x

= 18x² - 6x

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Answer:  \bold{w=\dfrac{6y-3}{2}}

<u>Step-by-step explanation:</u>

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y=\dfrac{1}{2}+\dfrac{w}{3}\\\\\\6\bigg[y=\dfrac{1}{2}+\dfrac{w}{3}\bigg]\quad \implies \quad 6y=3+2w\\\\\\6y-3=3-3+2w\quad \implies \quad 6y-3=2w\\\\\\\dfrac{6y-3}{2}=\dfrac{2w}{2}\quad \implies \quad \large\boxed{\dfrac{6y-3}{2}=w}

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