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If the coefficient of \(x\) in the polynomial \(p(x)=9x^2+cx-5\) is \(-4\), what is the value of \(c\)?यदि बहुपद \(p(x)=9x^2+cx-5\) में \(x\) का गुणांक \(-4\) है, तो \(c\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: -4-4
The term containing \(x\) is \(cx\), so its coefficient is \(c\). Since this coefficient is given as \(-4\), we get \(c=-4\). The value \(-5\) is the constant term, not the coefficient of \(x\). Exam tip: identify the number multiplying the variable to find its coefficient.बहुपद में \(x\) वाला पद \(cx\) है, इसलिए \(x\) का गुणांक \(c\) होगा। दिया गया है कि यह गुणांक \(-4\) है, अतः \(c=-4\)। विकल्प B में दिया \(-5\) अचर पद है, \(x\) का गुणांक नहीं। परीक्षा-युक्ति: किसी पद का गुणांक वह संख्या होती है जो चर से गुणा हो रही हो।
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