Let the sum of the coefficients of the first three terms in the expansion of x-3x2n,x≠0,n&isi.... VIDEO
Let the sum of the coefficients of the first three terms in the expansion of x-3x2n,x≠0,n∈N, be 376. Then the coefficient of x4 is 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
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