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Let g:\mathbbR\rightarrow \mathbbR and h:\mathbbR\rightarrow \mathbbR, be two functions such that h(x) = sgn(g(x)). Then select which of the following is not true?( \mathbbR denotes the set of all real numbers, sgn stands for signum function) | Watch the step-by-step video solution for this NIMCET PYQ.