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Which option has a linear polynomial whose leading coefficient is not (0)?किस विकल्प में रेखीय बहुपद का अग्र गुणांक (0) नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(5x+0\)\(5x+0\)
In \(5x+0=5x\), the coefficient of \(x\) is \(5\), which is non-zero. Therefore, its degree is 1 and it is a linear polynomial. \(0x+9\) and \(0x-3\) simplify to \(9\) and \(-3\), so they are constant polynomials; \(7\) is also constant. Exam tip: for a linear polynomial, the coefficient of the variable must be non-zero.\(5x+0=5x\) में \(x\) का गुणांक \(5\) है, जो शून्य नहीं है। अतः इसकी घात 1 है और यह रेखीय बहुपद है। \(0x+9\) और \(0x-3\) क्रमशः \(9\) और \(-3\) बन जाते हैं, इसलिए वे स्थिर बहुपद हैं; \(7\) भी स्थिर बहुपद है। परीक्षा टिप: रेखीय बहुपद में चर का गुणांक शून्य नहीं होना चाहिए।
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