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undefined value MCQ Questions for Class 12
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Practice Questions
2 questions tagged with undefined value.
फलन (f(x)=\frac{2}{x-5}) किस मान पर परिभाषित नहीं है?
At which value is (f(x)=\frac{2}{x-5}) not defined?
#undefined value
#rational function
#domain
A (x=5)
B (x=-5)
C (x=0)
D (x=2)
Explanation opens after your attempt
Step 1
Concept
The denominator of the fraction is (x-5).
Step 2
Why this answer is correct
(x-5=0) gives (x=5).
Step 3
Exam Tip
A function with zero denominator is not defined there. चरण 1: भिन्न में हर (x-5) है। चरण 2: (x-5=0) होने पर (x=5) मिलता है। चरण 3: हर शून्य होने पर फलन परिभाषित नहीं रहता।
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यदि (f(x)=\frac{x-1}{x+1}), तो किस मान पर फलन परिभाषित नहीं है?
If (f(x)=\frac{x-1}{x+1}), at which value is the function not defined?
#undefined value
#rational function
#domain
#easy
A (x=-1)
B (x=1)
C (x=0)
D (x=2)
Explanation opens after your attempt
Step 1
Concept
The denominator of the function is (x+1).
Step 2
Why this answer is correct
Setting (x+1=0) gives (x=-1).
Step 3
Exam Tip
A fraction is undefined when the denominator is zero. चरण 1: फलन में हर (x+1) है। चरण 2: (x+1=0) करने पर (x=-1) मिलता है। चरण 3: हर शून्य होने पर भिन्न परिभाषित नहीं होता।
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