फलन (f(x)=\sqrt{\frac{5-x}{x+1}}) का प्रांत ज्ञात कीजिए।
Find the domain of (f(x)=\sqrt{\frac{5-x}{x+1}}).
Explanation opens after your attempt
Correct Answer
A. ((-1,5])
Concept
The condition is \(\frac{5-x}{x+1}\ge 0\) and \(x\ne -1\). Sign testing gives ((-1,5]).
Why this answer is correct
The correct answer is A. ((-1,5]). The condition is \(\frac{5-x}{x+1}\ge 0\) and \(x\ne -1\). Sign testing gives ((-1,5]).
Exam Tip
शर्त \(\frac{5-x}{x+1}\ge 0\) और \(x\ne -1\) है। साइन परीक्षण से ((-1,5]) मिलता है।
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