फलन (f(x)=\frac{1}{\sqrt{(x+2)(5-x)}}) का डोमेन क्या है?
What is the domain of (f(x)=\frac{1}{\sqrt{(x+2)(5-x)}})?
Explanation opens after your attempt
A. ((-2,5))
Concept
The square root is in the denominator, so ((x+2)(5-x)>0) is required. In exams do not include equality for a denominator radical.
Why this answer is correct
The correct answer is A. ((-2,5)). The square root is in the denominator, so ((x+2)(5-x)>0) is required. In exams do not include equality for a denominator radical.
Exam Tip
हर में वर्गमूल है इसलिए ((x+2)(5-x)>0) चाहिए। परीक्षा में denominator radical के लिए बराबरी शामिल न करें।
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