किस बहुपद के शून्यक (-1) और (4) हैं?
Which polynomial has zeroes (-1) and (4)?
Explanation opens after your attempt
A. \(x^2-3x-4\)
Concept
The polynomial is ((x+1)(x-4)=x-2-3x-4). Be careful with signs while forming factors.
Why this answer is correct
The correct answer is A. \(x^2-3x-4\). The polynomial is ((x+1)(x-4)=x-2-3x-4). Be careful with signs while forming factors.
Exam Tip
शून्यकों से बहुपद ((x+1)(x-4)=x-2-3x-4) बनता है। चिन्ह बदलते समय सावधानी रखें।
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