2. 1. Find the area of the region R completely enclosed by f(x)=x-x - 4x and...

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2. 1. Find the area of the region R completely enclosed by f(x)=x²-x² - 4x and g(x)=-2x. Let R be the region enclosed by f(x) = x³and g(x) = 4x for x in (-2,0], and be the solid obtained by rotating R about the line y 1. Find the volume of V.. 3. Find integrals a). [x²(1-3x¹)³ dx b). Som Vinx x dx dx 1). S x (1 + 20²³) dx +Ze**) 2. 1. Find the area of the region R completely enclosed by f(x)=x²-x² - 4x and g(x)=-2x. Let R be the region enclosed by f(x) = x³and g(x) = 4x for x in (-2,0], and be the solid obtained by rotating R about the line y 1. Find the volume of V.. 3. Find integrals a). [x²(1-3x¹)³ dx b). Som Vinx x dx dx 1). S x (1 + 20²³) dx +Ze**)