यदि (2m-3, 3m+1, 5m-2) अंकगणितीय श्रेणी में हैं, तो सार्व अंतर क्या होगा?
If (2m-3, 3m+1, 5m-2) are in an arithmetic progression, what will be the common difference?
Explanation opens after your attempt
B. (7)
Concept
From (2(3m+1)=(2m-3)+(5m-2)), (6m+2=7m-5), so (m=7) and (d=22-11=11). Find the variable first, then the consecutive difference.
Why this answer is correct
The correct answer is B. (7). From (2(3m+1)=(2m-3)+(5m-2)), (6m+2=7m-5), so (m=7) and (d=22-11=11). Find the variable first, then the consecutive difference.
Exam Tip
(2(3m+1)=(2m-3)+(5m-2)) से (6m+2=7m-5), इसलिए (m=7) और (d=22-11=11)। पहले चर निकालें, फिर क्रमागत अंतर निकालें।
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