\(\frac{4}{x}=4x^{-1}\) है, जिसमें (x) की घात ऋणात्मक है। वास्तविक गुणांक होना अकेले बहुपद की गारंटी नहीं देता। / \(\frac{4}{x}=4x^{-1}\), where the power of (x) is negative. Having real coefficients alone does not guarantee a polynomial.
Mathematics Answer, Explanation and Revision Hints
कौन-सा व्यंजक (x) में बहुपद नहीं है, भले ही उसमें वास्तविक गुणांक हों? / Which expression is not a polynomial in (x), even though it has real coefficients?
Correct Answer: C. \(7x^2+\frac{4}{x}-9\). Explanation: \(\frac{4}{x}=4x^{-1}\) है, जिसमें (x) की घात ऋणात्मक है। वास्तविक गुणांक होना अकेले बहुपद की गारंटी नहीं देता। / \(\frac{4}{x}=4x^{-1}\), where the power of (x) is negative. Having real coefficients alone does not guarantee a polynomial.
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