Grade 11AlgebraThe cofficient of x^9 in the expansion of (1+x)(1+x^2)(1+x^3)......(1+x^100) is -------- Debadri Mukherjee 10 Years agoGrade 11
Vijay Mukati10 Years agoDear Student,coefficient of x^9 will be (1+1+1+1+1) = 5.1 for x^9, 1 for x^8 * x, 1 for x^7 * x^2, 1 for x^6 * x^3, 1 for x^5 * x^4Thanks.