1.

The number of integral values of k for which h(x)=sgn(x2−2kx+sgn(k+2)) is continuous for all x∈R is [Note : sgn(y) denotes the signum function of y.]

Answer»

The number of integral values of k for which h(x)=sgn(x22kx+sgn(k+2)) is continuous for all xR is
[Note : sgn(y) denotes the signum function of y.]



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