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