यदि (k=5), तो ((k-5)x-7+4x-3-x+2) की डिग्री क्या होगी?
If (k=5), what will be the degree of ((k-5)x-7+4x-3-x+2)?
Explanation opens after your attempt
C. (3)
Concept
Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).
Why this answer is correct
The correct answer is C. (3). Putting (k=5) makes the coefficient of \(x^7\) equal to (0). In the remaining polynomial, the highest power is (3).
Exam Tip
(k=5) रखने पर \(x^7\) का गुणांक (0) हो जाता है। शेष बहुपद में सबसे बड़ी घात (3) है।
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