Question #344451

Find the area of the region bounded by the curves x=y³ and y=x².

1
Expert's answer
2022-05-30T15:08:00-0400

Solution

Points of intersection of the given curves are solution of equation x = x6  => x(x5 – 1) = 0  =>  x(x-1)(x4 + x3 + x2 + x + 1) = 0  => Roots of this equation are x1 = 0, x2 = 1

So area to be find is the area bounded by curves y=x² and y=x3y=\sqrt[3]{x}  (for 0<x<1 x3>x2\sqrt[3]{x}>x^2 )  =>

A=01(x3x2)dx=(34x4/313x3)10A=\int_{0}^{1}\left(\sqrt[3]{x}-x^2\right)dx=\left(\frac{3}{4}x^{4/3}-\frac{1}{3}x^3\right)\left|\begin{matrix}1\\0\\\end{matrix}\right.

A = 3/4 - 1/3 = 5/12 = 0.417

Answer

A = 0.417


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