Let α=∑_(r=0)^n▒〖(4r^2+2r+1)n_(C_r ) 〗 and β=(∑_(r=0)^n▒n_(C_r )/(r+1))+1/(n+1).

[@JasmineSingh-cw5eg]

Well explain😊

[@rajnarayansingh4511]

Nice

[@_Dark_devil811]

Happy teachers day sir ❤❤

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Thanks.

[@HimanshuKumar-vr2mh]

Happy teachers day sr 🎉

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Thanks

[@Sorrysir-tl123]

Happy teachers day sir ji

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Thanks