किस मान पर ((k+4)x-2+3x-9) रेखीय बहुपद बनेगा?
For which value will ((k+4)x-2+3x-9) become a linear polynomial?
Explanation opens after your attempt
B. (k=-4)
Concept
To become linear, the coefficient of \(x^2\) must be (0). From (k+4=0), we get (k=-4).
Why this answer is correct
The correct answer is B. (k=-4). To become linear, the coefficient of \(x^2\) must be (0). From (k+4=0), we get (k=-4).
Exam Tip
रेखीय बनने के लिए \(x^2\) का गुणांक (0) होना चाहिए। (k+4=0) से (k=-4) मिलता है।
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