कौन-सा व्यंजक बहुपद नहीं है क्योंकि उसमें (x) हर में छिपा हुआ है?

Which expression is not a polynomial because (x) is hidden in the denominator?

Explanation opens after your attempt
Correct Answer

B. \(\frac{x^2+4}{x^2}\)

Step 1

Concept

\(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\). Since \(\frac{4}{x^2}=4x^{-2}\), it is not a polynomial.

Step 2

Why this answer is correct

The correct answer is B. \(\frac{x^2+4}{x^2}\). \(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\). Since \(\frac{4}{x^2}=4x^{-2}\), it is not a polynomial.

Step 3

Exam Tip

\(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\) है। \(\frac{4}{x^2}=4x^{-2}\), इसलिए यह बहुपद नहीं है।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा व्यंजक बहुपद नहीं है क्योंकि उसमें (x) हर में छिपा हुआ है? / Which expression is not a polynomial because (x) is hidden in the denominator?

Correct Answer: B. \(\frac{x^2+4}{x^2}\). Explanation: \(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\) है। \(\frac{4}{x^2}=4x^{-2}\), इसलिए यह बहुपद नहीं है। / \(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\). Since \(\frac{4}{x^2}=4x^{-2}\), it is not a polynomial.

Which concept should I revise for this Mathematics MCQ?

\(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\). Since \(\frac{4}{x^2}=4x^{-2}\), it is not a polynomial.

What exam hint can help solve this Mathematics question?

\(\frac{x^2+4}{x^2}=1+\frac{4}{x^2}\) है। \(\frac{4}{x^2}=4x^{-2}\), इसलिए यह बहुपद नहीं है।