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If (X(t)=18+8t), what is the difference between (X(6)) and (X(0))?यदि (X(t)=18+8t), तो (X(6)) और (X(0)) का अंतर क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 4848
Here, \(X(6)=18+8\times6=66\) and \(X(0)=18\). Therefore, the difference is \(66-18=48\). Option 66 is the value of \(X(6)\), not the difference. Exam tip: when finding the difference between two values of a linear expression \(a+bt\), the constant term \(a\) cancels out.यहाँ \(X(6)=18+8\times6=66\) और \(X(0)=18\) है। अतः अंतर \(66-18=48\) होगा। विकल्प 66, \(X(6)\) का मान है, अंतर नहीं। परीक्षा टिप: रैखिक व्यंजक \(a+bt\) में \(t\) के दो मानों के बीच अंतर निकालते समय स्थिर पद \(a\) कट जाता है।
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