कौन-सा व्यंजक वास्तविक गुणांक वाला बहुपद है?
Which expression is a polynomial with real coefficients?
Explanation opens after your attempt
A. \(2.5x^2-3x+1\)
Concept
The decimal (2.5) is also a real coefficient. All powers of the variable are non-negative integers.
Why this answer is correct
The correct answer is A. \(2.5x^2-3x+1\). The decimal (2.5) is also a real coefficient. All powers of the variable are non-negative integers.
Exam Tip
दशमलव (2.5) भी वास्तविक गुणांक है। चर की सभी घातें शून्य या धनात्मक पूर्णांक हैं।
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