पद (2x+3,5x-1,8x-5) किस (x) के लिए समांतर श्रेणी बनाते हैं?
For which (x) do the terms (2x+3,5x-1,8x-5) form an AP?
Explanation opens after your attempt
C. हर वास्तविक (x)Every real (x)
Concept
Both differences are (3x-4), so the terms form an AP for every real (x). In exams, if both differences are identical expressions, no separate solving is needed.
Why this answer is correct
The correct answer is C. हर वास्तविक (x) / Every real (x). Both differences are (3x-4), so the terms form an AP for every real (x). In exams, if both differences are identical expressions, no separate solving is needed.
Exam Tip
दोनों अंतर (3x-4) हैं, इसलिए हर वास्तविक (x) पर समांतर श्रेणी बनती है। परीक्षा में यदि दोनों अंतर समान अभिव्यक्ति हों तो कोई अलग हल नहीं चाहिए।
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