व्यंजक ((r-1)x-2+(r+2)x+5) नियतांक बहुपद कब बनेगा?
When will ((r-1)x-2+(r+2)x+5) become a constant polynomial?
Explanation opens after your attempt
Correct Answer
D. कभी नहींNever
Concept
To become constant, both (r-1=0) and (r+2=0) are required. One value of (r) cannot satisfy both conditions.
Why this answer is correct
The correct answer is D. कभी नहीं / Never. To become constant, both (r-1=0) and (r+2=0) are required. One value of (r) cannot satisfy both conditions.
Exam Tip
नियतांक बनने के लिए (r-1=0) और (r+2=0) दोनों चाहिए। एक ही (r) दोनों शर्तें पूरी नहीं कर सकता।
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