If the coefficient of second, third and fourth terms in the expansion of \((1+x)^{2 n}\) are in ....

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If the coefficient of second, third and fourth terms in the expansion of \((1+x)^{2 n}\) are in A.P. Show that \(2 n^2-9 n+7=0\). 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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