फलन (f(x)=\frac{x+1}{x-2-9}) का प्रांत ज्ञात कीजिए।
Find the domain of (f(x)=\frac{x+1}{x-2-9}).
Explanation opens after your attempt
Correct Answer
A. \(\mathbb{R}-{-3,3}\)
Concept
The denominator must satisfy \(x^2-9\ne 0\), so \(x\ne -3,3\). In exams, remove values that make the denominator zero.
Why this answer is correct
The correct answer is A. \(\mathbb{R}-{-3,3}\). The denominator must satisfy \(x^2-9\ne 0\), so \(x\ne -3,3\). In exams, remove values that make the denominator zero.
Exam Tip
हर \(x^2-9\ne 0\) होना चाहिए, इसलिए \(x\ne -3,3\)। परीक्षा में हर को शून्य बनाने वाले मान हटाएं।
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