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If f : R to R is defined by f (x) =x ^(2...

If `f : R to R` is defined by `f (x) =x ^(2) - 3x + 2,` find `f (f (x)).`

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The correct Answer is:
`x ^(4) - 6x ^(3) + 10 x ^(2) - 3x`
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