यदि (f(x)=\sqrt{x+4}+\sqrt{4-x}), तो (f) का प्रांत क्या है?
If (f(x)=\sqrt{x+4}+\sqrt{4-x}), what is the domain of (f)?
Explanation opens after your attempt
A. ( [-4,4] )
Concept
The conditions are \(x+4\ge 0\) and \(4-x\ge 0\). Their intersection is ([-4,4]).
Why this answer is correct
The correct answer is A. ( [-4,4] ). The conditions are \(x+4\ge 0\) and \(4-x\ge 0\). Their intersection is ([-4,4]).
Exam Tip
शर्तें \(x+4\ge 0\) और \(4-x\ge 0\) हैं। इनका छेदन ([-4,4]) है।
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