कौन-सा व्यंजक (x) में द्विघात बहुपद है?
Which expression is a quadratic polynomial in (x)?
Explanation opens after your attempt
A. \(5x^2-4x+9\)
Concept
A quadratic polynomial has degree (2). The highest power in \(5x^2-4x+9\) is (2).
Why this answer is correct
The correct answer is A. \(5x^2-4x+9\). A quadratic polynomial has degree (2). The highest power in \(5x^2-4x+9\) is (2).
Exam Tip
द्विघात बहुपद की घात (2) होती है। \(5x^2-4x+9\) की सबसे बड़ी घात (2) है।
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