Answer to Question #348509 in Calculus for Migz

Question #348509

The loop of the curve has an equation of y² = x (1 - x)^2. Find the



area enclosed by the loop of the curve.

1
Expert's answer
2022-06-08T13:45:34-0400

Simplify the function: y=±x(1x)y=\pm \sqrt{x}(1-x).

Limits of integration: x=0x=0, x=1x=1.




S=201x(1x)dx=201(xxx)dx=201(x1/2x3/2)dx=S=2\int\limits_0^1\sqrt{x}(1-x)dx=2\int\limits_0^1(\sqrt{x}-x\sqrt{x})dx=2\int\limits_0^1(x^{1/2}-x^{3/2})dx=

=2(x3/23/2x5/25/2)01=2(2x3/232x5/25)01=2(2325)=815=2(\frac{x^{3/2}}{3/2}-\frac{x^{5/2}}{5/2} )|_0^1=2(\frac{2x^{3/2}}{3}-\frac{2x^{5/2}}{5} )|_0^1=2(\frac{2}{3}-\frac{2}{5})=\frac{8}{15}.


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