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If (T(t)=140-10t), what is the value of (T(2)-T(6))?यदि (T(t)=140-10t), तो (T(2)-T(6)) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 4040
Given T(t)=140-10t, we get T(2)=140-10(2)=120 and T(6)=140-10(6)=80. Therefore, T(2)-T(6)=120-80=40. The value 60 can result from an incorrect subtraction or an error while evaluating the 10t term. Exam tip: Substitute each value of t separately first, then subtract the two function values.दिया है T(t)=140-10t। अतः T(2)=140-10(2)=120 और T(6)=140-10(6)=80। इसलिए T(2)-T(6)=120-80=40। विकल्प 60 तब मिलता यदि घटाव या 10t वाले पद की गणना गलत की जाए। परीक्षा टिप: पहले दोनों t-मानों को फलन में अलग-अलग रखकर फिर उनके मानों का अंतर निकालें।
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