फलन (f(x)=\log_{3}(x-1)+\log_{3}(5-x)) का प्रांत क्या है?
What is the domain of (f(x)=\log_{3}(x-1)+\log_{3}(5-x))?
Explanation opens after your attempt
Correct Answer
A. ( (1,5) )
Concept
Both logarithm inputs must be positive. Hence (x>1) and (x<5), so (1<x<5).
Why this answer is correct
The correct answer is A. ( (1,5) ). Both logarithm inputs must be positive. Hence (x>1) and (x<5), so (1<x<5).
Exam Tip
दोनों लघुगणकों के अंदर धनात्मक होना चाहिए। इसलिए (x>1) और (x<5), अर्थात (1<x<5)।
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