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If (a, a+2d, a+5d) are in an arithmetic progression and (d \neq 0), which statement is correct?यदि (a, a+2d, a+5d) समांतर श्रेणी में हैं और (d \neq 0), तो कौन-सा कथन सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: It is never an arithmetic progressionयह कभी समांतर श्रेणी नहीं है
The consecutive differences are (2d) and (3d), which cannot be equal when (d \neq 0). In exams, compare consecutive differences directly.लगातार अंतर (2d) और (3d) हैं, जो (d \neq 0) पर बराबर नहीं हो सकते। परीक्षा में पदों के अंतर अलग-अलग निकालें।
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