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What is the real domain of \(f(x)=\sqrt{x-5}\)?\(f(x)=\sqrt{x-5}\) का वास्तविक domain क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \([5,\infty)\)\([5,\infty)\)
For \(\sqrt{x-5}\) to be real, we need \(x-5\ge 0\). Solving gives \(x\ge 5\). Hence the domain is \([5,\infty)\).\(\sqrt{x-5}\) को वास्तविक (real) होने के लिए \(x-5\ge 0\) होना चाहिए। इससे \(x\ge 5\) मिलता है। इसलिए domain \([5,\infty)\) है।
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