If f(x) = ||x| - 1|, then draw the graph...

If `f(x) = ||x| - 1|`, then draw the graph of f(x) and fof(x) and also discuss their continuity and differentiability. Also, find derivative of `(fof)^(2)"at x" = (3)/(2)`

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The correct Answer is:

`rArr" "(d)/(dx){(fof)^(2)}_("at x = 3/2") = - 1`

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