यदि (p(x)=5x-12), तो (p(x)+p(-x)) क्या है?
If (p(x)=5x-12), what is (p(x)+p(-x))?
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B. \(-24\)
Simple Explanation
दिया है \(p(x)=5x-12\)। \(p(-x)\) ज्ञात करने के लिए \(x\) के स्थान पर \(-x\) रखें: \(p(-x)=5(-x)-12=-5x-12\)। अतः \(p(x)+p(-x)=(5x-12)+(-5x-12)=-24\)। \(10x-24\) तब मिलता यदि दोनों व्यंजकों में \(x\) वाला पद \(5x\) ही रहता। परीक्षा टिप: \(p(-x)\) में \(x\) के प्रत्येक पद का चिह्न सावधानी से बदलें। / Given \(p(x)=5x-12\). To find \(p(-x)\), substitute \(-x\) for \(x\): \(p(-x)=5(-x)-12=-5x-12\). Therefore, \(p(x)+p(-x)=(5x-12)+(-5x-12)=-24\). \(10x-24\) would result only if the \(x\)-term remained \(5x\) in both expressions. Exam tip: while finding \(p(-x)\), substitute \(-x\) carefully in every term containing \(x\).
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