कौन-सा बहुपद (x) में नहीं बल्कि (z) में दिया गया है?
Which polynomial is given in (z) instead of (x)?
Explanation opens after your attempt
B. \(4z^3-z+8\)
Concept
In \(4z^3-z+8\), the variable is (z) and its powers are (3), (1), (0). So it is a polynomial in (z).
Why this answer is correct
The correct answer is B. \(4z^3-z+8\). In \(4z^3-z+8\), the variable is (z) and its powers are (3), (1), (0). So it is a polynomial in (z).
Exam Tip
\(4z^3-z+8\) में चर (z) है और उसकी घातें (3), (1), (0) हैं। इसलिए यह (z) में बहुपद है।
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