कौन-सा व्यंजक (x) में बहुपद है, पर \(x^3\) और (x) दोनों पद अनुपस्थित हैं?

Which expression is a polynomial in (x), but both \(x^3\) and (x) terms are absent?

Explanation opens after your attempt
Correct Answer

A. \(x^4+5x^2-6\)

Step 1

Concept

A polynomial need not have every power term. In \(x^4+5x^2-6\), all present powers are valid.

Step 2

Why this answer is correct

The correct answer is A. \(x^4+5x^2-6\). A polynomial need not have every power term. In \(x^4+5x^2-6\), all present powers are valid.

Step 3

Exam Tip

बहुपद में हर घात का पद होना जरूरी नहीं है। \(x^4+5x^2-6\) में उपस्थित घातें मान्य हैं।

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Mathematics Answer, Explanation and Revision Hints

कौन-सा व्यंजक (x) में बहुपद है, पर \(x^3\) और (x) दोनों पद अनुपस्थित हैं? / Which expression is a polynomial in (x), but both \(x^3\) and (x) terms are absent?

Correct Answer: A. \(x^4+5x^2-6\). Explanation: बहुपद में हर घात का पद होना जरूरी नहीं है। \(x^4+5x^2-6\) में उपस्थित घातें मान्य हैं। / A polynomial need not have every power term. In \(x^4+5x^2-6\), all present powers are valid.

Which concept should I revise for this Mathematics MCQ?

A polynomial need not have every power term. In \(x^4+5x^2-6\), all present powers are valid.

What exam hint can help solve this Mathematics question?

बहुपद में हर घात का पद होना जरूरी नहीं है। \(x^4+5x^2-6\) में उपस्थित घातें मान्य हैं।