यदि \(kx^2-10x+25=0\) के समान मूल हैं, तो (k) क्या होगा?
If \(kx^2-10x+25=0\) has equal roots, what is (k)?
Explanation opens after your attempt
A. (1)
Concept
For equal roots, (D=0), so (100-100k=0) and (k=1). In exams, keep (a=k) correctly.
Why this answer is correct
The correct answer is A. (1). For equal roots, (D=0), so (100-100k=0) and (k=1). In exams, keep (a=k) correctly.
Exam Tip
समान मूलों के लिए (D=0), इसलिए (100-100k=0) और (k=1) है। परीक्षा में (a=k) को ठीक से रखें।
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