Differentiate y=x^3
dy/dx = 3x^2
RH
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All answers ▸Calculate the shaded finite region between the curve and the axis for the curve: 3x^2 +11x -4 = 0
A spherical balloon of radius r cm has volume Vcm^3 , where V =4/3 * pi * r^3. The balloon is inflated at a constant rate of 10 cm^3 s^-1 . Find the rate of increase of r when r = 8.
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