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Find the equivalent definition of f(x)=m...

Find the equivalent definition of `f(x)=m a xdot{x^2,(-x)^2,2x(1-x)}w h r e0lt=xlt=1`

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The correct Answer is:
`f(x)={((1-x)^(2)",",0le x lt 1//3),(2x(1-x)",",1//3 le x lt 2//3),(x^(2)",",2//3 le x le 1):}`
Here, for maximum, let us consider `f_(1)(x)=x^(2),f_(2)(x)=(1-x)^(2), " and " f_(3)(x)=2x(1-x)`.
Now graph for `f_(1)(x),f_(2)(x), " and " f_(3)(x)` are as follows.

Here, neglect the graph that is below the points of intersection.
`f(x)={((1-x)^(2)",",0le x lt (1)/(3)),(2x(1-x)",",(1)/(3) le x lt (2)/(3)),(x^(2)",",(2)/(3) le x le 1):}`
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