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`        If the sum of p,q,r terms of an a.p are a,b,c respectively then prove: a/p  (q-r)+b/p  (r-p) +c/r  (p-q)=0 . Anybody plzz do this ques`
2 years ago

Arun
23379 Points
```							Dear Vaibhav let first term = x   and common diff. = y nowa = (p/2) [2x + (p – 1)y]hencea/p = x + (p –1)y/2 similarlyb/q = x + ( q–1)y/2&c/r = x + (r –1)y/2 hence put these in the LHS of equation. you will simply get your result as zero RegardsArun (askIITians forum expert)
```
2 years ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions