कौन-सा व्यंजक (x) में बहुपद है, लेकिन (x) की केवल सम घातें रखता है?
Which expression is a polynomial in (x) but has only even powers of (x)?
Explanation opens after your attempt
A. \(x^6-3x^4+2x^2-8\)
Concept
In the first option, the powers are (6), (4), (2), and (0). All are even and valid for a polynomial.
Why this answer is correct
The correct answer is A. \(x^6-3x^4+2x^2-8\). In the first option, the powers are (6), (4), (2), and (0). All are even and valid for a polynomial.
Exam Tip
पहले विकल्प में घातें (6), (4), (2) और (0) हैं। ये सभी सम और बहुपद के लिए मान्य हैं।
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