3. A set O of numbers is defined recursively by: 1. 1 belongs to O. 2. If x belongs to O, so does 2*x + 1. A. B. Indicate 4 elements of set O What property you can proof by structural induction for all the elements of set O?

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A: Given that the matrix equation 2345xy=hk   This is in the form Ax=b Here A=2345 , x=xy , b=hk    .

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