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What is the zero of the polynomial \(p(x)=x+9\)?बहुपद \(p(x)=x+9\) का शून्यक क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: -9-9
To find the zero, set \(p(x)=0\): \(x+9=0\), which gives \(x=-9\). Therefore, -9 is correct. The distractor 9 has the wrong sign because \(9+9\neq0\). Exam tip: the zero of \(x+a\) is always \(-a\).शून्यक ज्ञात करने के लिए \(p(x)=0\) रखें: \(x+9=0\), इसलिए \(x=-9\)। अतः सही उत्तर -9 है। विकल्प 9 में चिन्ह की गलती है, क्योंकि \(9+9\neq0\)। परीक्षा-युक्ति: \(x+a\) का शून्यक हमेशा \(-a\) होता है।
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