किस विकल्प में डिग्री (2) वाला बहुपद है लेकिन (x) का गुणांक (0) है?
Which option has a polynomial of degree (2) but coefficient of (x) is (0)?
Explanation opens after your attempt
A. \(5x^2-9\)
Concept
\(5x^2-9\) has degree (2), and the (x) term is absent. So the coefficient of (x) is (0).
Why this answer is correct
The correct answer is A. \(5x^2-9\). \(5x^2-9\) has degree (2), and the (x) term is absent. So the coefficient of (x) is (0).
Exam Tip
\(5x^2-9\) की डिग्री (2) है और (x) पद अनुपस्थित है। इसलिए (x) का गुणांक (0) है।
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