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If (E(t)=11+3t), what is the difference between (E(2)) and (E(3))?यदि (E(t)=11+3t), तो (E(2)) और (E(3)) के बीच अंतर क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 33
Given \(E(t)=11+3t\), we get \(E(2)=11+3(2)=17\) and \(E(3)=11+3(3)=20\). Therefore, the difference is \(20-17=3\). The value 6 would arise if \(t\) increased by 2, but here it increases only from 2 to 3. Exam tip: in a linear expression \(a+bt\), the difference between consecutive values is always \(b\).दिया है \(E(t)=11+3t\)। अतः \(E(2)=11+3(2)=17\) और \(E(3)=11+3(3)=20\)। इसलिए अंतर \(20-17=3\) है। विकल्प 6 तब मिलता यदि \(t\) के मान में 2 की वृद्धि होती, जबकि यहाँ 2 से 3 तक वृद्धि केवल 1 है। परीक्षा टिप: रैखिक व्यंजक \(a+bt\) में लगातार मानों का अंतर हमेशा \(b\) होता है।
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