Hellow guys, Welcome to my website, and you are watching prove that 2C2+3C2+4C2+…..+n+1C2= "16n(" n+1)(n+2) binomial theorem| द्विपद प्रमेय कक्षा 11|. and this vIdeo is uploaded by SHIV MATHS ACADEMY at 2020-07-20T08:49:34-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.