कौन-सा व्यंजक वास्तविक गुणांक वाला बहुपद है और अपरिमेय गुणांक रखता है?
Which expression is a polynomial with real coefficients and an irrational coefficient?
Explanation opens after your attempt
B. \(\sqrt{7}x^4-3x+2\)
Concept
\(\sqrt{7}\) is a real coefficient and is allowed. All powers of the variable are non-negative integers.
Why this answer is correct
The correct answer is B. \(\sqrt{7}x^4-3x+2\). \(\sqrt{7}\) is a real coefficient and is allowed. All powers of the variable are non-negative integers.
Exam Tip
\(\sqrt{7}\) एक वास्तविक गुणांक है और मान्य है। चर की सभी घातें शून्य या धनात्मक पूर्णांक हैं।
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