यदि (4p+1, 3p+7, p+19) अंकगणितीय श्रेणी में हैं, तो सार्व अंतर क्या होगा?
If (4p+1, 3p+7, p+19) are in an arithmetic progression, what will be the common difference?
Explanation opens after your attempt
C. (5)
Concept
Using (2(3p+7)=(4p+1)+(p+19)) gives (p=6), so the terms become (25,25,25) and (d=0). First find the variable and then check (d).
Why this answer is correct
The correct answer is C. (5). Using (2(3p+7)=(4p+1)+(p+19)) gives (p=6), so the terms become (25,25,25) and (d=0). First find the variable and then check (d).
Exam Tip
(2(3p+7)=(4p+1)+(p+19)) से (p=6), इसलिए पद (25,25,25) नहीं बनते बल्कि (25,25,25) बनते हैं और (d=0)। पहले चर निकालें फिर (d) जांचें।
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