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Which statement is correct for (f(x)=\frac{1}{x^2-1})?कौन सा कथन फलन (f(x)=\frac{1}{x^2-1}) के लिए सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Domain is (\mathbb{R}\setminus{-1,1})डोमेन (\mathbb{R}\setminus{-1,1}) है
The denominator (x^2-1) becomes (0) when (x=\pm 1). In exams remove denominator zero values in rational functions.हर (x^2-1) तब (0) होता है जब (x=\pm 1)। परीक्षा में rational function में denominator zero values हटाएं।
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