1. Muammo: $y=\sqrt{\frac{x^2}{|x|-3}}$ funksiyaning aniqlanish sohasini topish.
2. Aniqlanish sohasini topish uchun, ildiz ostidagi ifoda manfiy bo'lmasligi kerak va maxraj nolga teng bo'lmasligi kerak.
3. Ildiz ostidagi ifoda: $$\frac{x^2}{|x|-3} \geq 0$$
4. $x^2$ har doim $\geq 0$ va nolga teng bo'lishi mumkin faqat $x=0$ da.
5. Maxraj: $$|x|-3 \neq 0 \Rightarrow |x| \neq 3 \Rightarrow x \neq 3, x \neq -3$$
6. Endi ifodaning manfiy bo'lmasligi uchun maxraj musbat bo'lishi kerak, chunki $x^2 \geq 0$:
$$|x|-3 > 0 \Rightarrow |x| > 3 \Rightarrow x > 3 \text{ yoki } x < -3$$
7. $x=0$ da ifoda nolga teng bo'ladi, lekin maxraj $|0|-3 = -3$ manfiy, shuning uchun $x=0$ aniqlanmaydi.
8. Shunday qilib, aniqlanish sohasi: $$(-\infty, -3) \cup (3, +\infty)$$
Javob: Funksiyaning aniqlanish sohasi $x < -3$ yoki $x > 3$.
Domain Finding Bac6A5
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