MCQ
फलन $f(x) = \frac{{{{\log }_2}(x + 3)}}{{{x^2} + 3x + 2}}$ का डोमेन (प्रान्त) है
- A$R - \{ - 1,\; - 2\} $
- B$( - 2,\; + \infty )$
- C$R - \{ - 1,\; - 2,\; - 3\} $
- ✓$( - 3,\; + \infty ) - \{ - 1,\; - 2\} $
$\therefore$ $x > - 3$ तथा $(x + 1)(x + 2) \ne 0,$ अर्थात् $x \ne - 1,\, - 2$
$\therefore$ डोमेन $ = ( - 3,\,\infty ) - \{ - 1,\, - 2\} $.
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