MCQ
જો $\,\,f(x) = \left\{ {\begin{array}{*{20}{c}}
{\operatorname{sgn} ({x^2} - 3x + 2)\,\,\,;\,x \in Q} \\
{0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,;\,x \notin Q}
\end{array}} \right.$ એ કેટલા બિંદુઓ આગળ સતત થાય . ( $sgn\ x$ એ ચિહ્ન વિધેય છે.)
{\operatorname{sgn} ({x^2} - 3x + 2)\,\,\,;\,x \in Q} \\
{0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,;\,x \notin Q}
\end{array}} \right.$ એ કેટલા બિંદુઓ આગળ સતત થાય . ( $sgn\ x$ એ ચિહ્ન વિધેય છે.)
- A$2$
- B$1$
- ✓$0$
- Dઅનંત બિંદુઓ