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