यदि (f(x)=\sqrt{x-2}) और (g(x)=\sqrt{x+2}) हों, तो ((f-g)(x)) का प्रांत क्या होगा?
If (f(x)=\sqrt{x-2}) and (g(x)=\sqrt{x+2}), what is the domain of ((f-g)(x))?
Explanation opens after your attempt
Correct Answer
A. \( [2,\infty\) )
Concept
The first root needs \(x\ge 2\) and the second needs \(x\ge -2\). Their intersection is \( [2,\infty\) ).
Why this answer is correct
The correct answer is A. \( [2,\infty\) ). The first root needs \(x\ge 2\) and the second needs \(x\ge -2\). Their intersection is \( [2,\infty\) ).
Exam Tip
पहले मूल के लिए \(x\ge 2\) और दूसरे के लिए \(x\ge -2\) चाहिए। प्रतिच्छेद \( [2,\infty\) ) है।
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