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प्रश्न
Find gof and fog, if f(x) = |x| and g(x) = |5x - 2|
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उत्तर
`f(x) = |x| and g(x) = |5x - 2|`
:. (gof) (x) = g g(f(x)) = g(|x|) = |5|x|-2|
`(fog)(x) = f(g(x)) = f(|5x - 2|) = ||5x - 2| = |5x - 2`
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