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`        If Sn denotes the sum of first n terms of an A.P.  n> such that Sm/Sn =m2/n2 , then am/an =  ?`
3 years ago

Nishant Vora
IIT Patna
2467 Points
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3 years ago
moumi roy
91 Points
```							SM/SN=M2/N2{M(2a+(M-1)d)/2}/{N(2a+(N-1)d)/2}=M2/N2(2a+(M-1)d)/(2a+(N-1)d)=M/Nputting M=2M-1 &N=2N-12(a+(M-1)d)/2(a+(N-1)d)=(2M-1)/(2N-1)am/an=(2M-1)/(2N-1)---ans
```
3 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