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`        kindly help in que2...help pleasee . kindly answer fast`
8 months ago

Vikas TU
11138 Points
```							Dear student Let(1+x^2)^2(1+x)^n = Σak *x^k By binomial theorem (1+2x^2 + x^4 ) (nCo(1)^n-0 +nC1 (1)^n-1 x + nC2 (1)^n-2 x^2 + ...............(1+2x^2+x^4) (nCo + nC1 x +nC2x^2 + ........ (1+ 2x^2 + x^4) (1+nx+n(n-1)/2 x^2 +.......)Foe Ao we need cofficient of x^0 coff of x^0 = Ao coff of x = A1 2+ n(n-1)/2 is cofficient of x^2 = A2 Ao , A1 , A2 are in AP A + A2 /2 = A1 On solving n = 2,3
```
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