फलन (f(x)=\sqrt{x+5}) का प्रांत क्या है?
What is the domain of (f(x)=\sqrt{x+5})?
Explanation opens after your attempt
Correct Answer
A. \( [-5,\infty\) )
Concept
For \(\sqrt{x+5}\), \(x+5\ge 0\), so \(x\ge -5\). In exams, keep the expression inside the square root at least (0).
Why this answer is correct
The correct answer is A. \( [-5,\infty\) ). For \(\sqrt{x+5}\), \(x+5\ge 0\), so \(x\ge -5\). In exams, keep the expression inside the square root at least (0).
Exam Tip
\(\sqrt{x+5}\) के लिए \(x+5\ge 0\) इसलिए \(x\ge -5\)। परीक्षा में वर्गमूल के अंदर की राशि को (0) या उससे बड़ा रखें।
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