यदि (\(k^2-25\)x-2+(k-5)x+1=0) द्विघात समीकरण है, तो (k) पर सही शर्त क्या है?
If (\(k^2-25\)x-2+(k-5)x+1=0) is a quadratic equation, what is the correct condition on (k)?
Explanation opens after your attempt
Correct Answer
C. \(k\neq \pm5\)
Concept
For the equation to be quadratic, \(k^2-25\neq0\) is required. So both \(k\neq5\) and \(k\neq-5\) are necessary.
Why this answer is correct
The correct answer is C. \(k\neq \pm5\). For the equation to be quadratic, \(k^2-25\neq0\) is required. So both \(k\neq5\) and \(k\neq-5\) are necessary.
Exam Tip
द्विघात होने के लिए \(k^2-25\neq0\) होना चाहिए। इसलिए \(k\neq5\) और \(k\neq-5\) दोनों शर्तें जरूरी हैं।
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