फलन (f(x)=\frac{\sqrt{x-2}}{\sqrt{8-x}}) का डोमेन क्या है?
What is the domain of (f(x)=\frac{\sqrt{x-2}}{\sqrt{8-x}})?
Explanation opens after your attempt
Correct Answer
A. ([2,8))
Concept
The numerator square root gives \(x\ge2\) and the denominator square root gives (8-x>0). Hence the domain is ([2,8)).
Why this answer is correct
The correct answer is A. ([2,8)). The numerator square root gives \(x\ge2\) and the denominator square root gives (8-x>0). Hence the domain is ([2,8)).
Exam Tip
ऊपर के वर्गमूल से \(x\ge2\) और नीचे के वर्गमूल से (8-x>0) चाहिए। इसलिए डोमेन ([2,8)) है।
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