कौन-सा व्यंजक (x) में बहुपद है और केवल सम घातें रखता है?
Which expression is a polynomial in (x) and has only even powers?
Explanation opens after your attempt
A. \(x^8-5x^6+2x^2+4\)
Concept
In the first option, the powers are (8), (6), (2), and (0). All are even and valid.
Why this answer is correct
The correct answer is A. \(x^8-5x^6+2x^2+4\). In the first option, the powers are (8), (6), (2), and (0). All are even and valid.
Exam Tip
पहले विकल्प में घातें (8), (6), (2) और (0) हैं। ये सभी सम और मान्य हैं।
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