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Determine the number of positive integers x, where x <100 and x is divisible by 2,3 or 5
how many integers between 1 and 99 inclusive are divisible by either 2 or 3 or both
out of 50 students 30 are studying BASIC 23 are studying PASCAL and 10 both how many students study either language
prove that 1^2+2^2+3^2+-----n^2=n(n+1)(2n+1) for all positive integers
For the following decimal numbers, determine its binary representation. (Show full working)

a. 200
b. 300
c. 85
d. 77
0. a) Find the solution of the difference equation yk+2 − 4yk+1 + 4yk = ;0 k = ,1,0 K. Also find
the particular solution when 1 y0 = and 6 y1 = .
I need help in graph theory cryptogram. It is a large cryptogram so it would be rather difficult to type out here
If r and s are relation on a, what is r and s?
What makes A = {1,2,4,5} and B = {2,3,6,7} not disjoint
The Cartesian product (A x B) of the sets A and B is the set of
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