class 12

Math

Calculus

Continuity and Differentiability

Let $[x]$ be the greatest integer less than or equal to $x˙$ Then, at which of the following point (s) function $f(x)=xcos(π(x+[x]))$ is discontinuous? (a)$x=1$ (b) $x=−1$ (c) $x=0$ (d) $x=2$

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