यदि (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) और (k=1), तो (q(x)) की डिग्री क्या है?
If (q(x)=(k-1)2x^{10}+\(k^2-1\)x-6+4x-2) and (k=1), what is the degree of (q(x))?
Explanation opens after your attempt
C. (2)
Concept
Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).
Why this answer is correct
The correct answer is C. (2). Putting (k=1) removes both \(x^{10}\) and \(x^6\) terms. The remaining \(4x^2\) has degree (2).
Exam Tip
(k=1) रखने पर \(x^{10}\) और \(x^6\) दोनों पद हट जाते हैं। बचा \(4x^2\) है जिसकी डिग्री (2) है।
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