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Let x+y+z+w=30; where x,y,z,w∈N. If m and n denote the number of solutions when no variable may exceed 10 and each variable is an odd number respectively, then m+n=

Answer» Let x+y+z+w=30; where x,y,z,wN. If m and n denote the number of solutions when no variable may exceed 10 and each variable is an odd number respectively, then m+n=


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