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What is the zero of the polynomial \(p(x)=7x-14\)?बहुपद \(p(x)=7x-14\) का शून्यक क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 22
The zero of a polynomial is the value of \(x\) for which \(p(x)=0\). Thus, \(7x-14=0\), so \(7x=14\) and \(x=2\). Therefore, option B is correct. Exam tip: the zero of \(ax+b\) is \(-\frac{b}{a}\); here, \(-\frac{-14}{7}=2\).बहुपद का शून्यक वह मान होता है जिसके लिए \(p(x)=0\) हो। इसलिए \(7x-14=0\), अर्थात् \(7x=14\), जिससे \(x=2\) प्राप्त होता है। अतः सही उत्तर B है। परीक्षा-युक्ति: \(ax+b\) का शून्यक \(-\frac{b}{a}\) होता है; यहाँ \(-\frac{-14}{7}=2\)।
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