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`        Plz help in solving Provide detailed solution ...................`
8 months ago

1808 Points
```							this is an easy ques.we are given that ∑xi/(1 – xi) = 1......(1)and S=∑xi= 1now multiply (1) by S on both sides.∑S*xi/(1 – xi)= Snow replace the S on LHS by 1∑1*xi/(1 – xi) = S∑(xi+1 – xi)*xi/(1 – xi) = S∑xi^2/(1 – xi)+xi(1 – xi)/(1 – xi)= Sor ∑xi^2/(1 – xi)+∑xi= Sor ∑xi^2/(1 – xi) + S= Sor ∑xi^2/(1 – xi) = 0kindly approve :)
```
8 months ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions