Question: combinatorics .... need help!!!!... step by step solution Find the coefficient of ally in the expansion of (1+ry try+ 2x). How many integer from 1

combinatorics .... need help!!!!... step by step solution

Find the coefficient of ally in the expansion of (1+ry try+ 2x)". How many integer from 1 to 1,000 inclusive are there that are not divisible by any of the numbers 4, 5, or 6. (a) Find the number of integer solutions of the equation where a1 2 0; 1 5 x2

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