Anonymous
Anonymous asked in Science & MathematicsMathematics · 6 months ago

Calculus question how do I do it?

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1 Answer

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  • A = pi * r^2

    dA/dr = 2 * pi * r

    r = 14

    dr = +/- 1/5

    dA = 2 * pi * r * dr

    dA = 2 * pi * 14 * (+/- 1/5)

    dA = +/- 28 * pi / 5

    56 * pi / 5

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