Answer: How many nonzero entries does the matrix
Chapter 8, Problem 8.3.9(choose chapter or problem)
How many nonzero entries does the matrix representing the relation R on A = {I, 2, 3, ... , 1 00} consisting of the first 100 positive integers have if R is a) {(a, b) I a > b}? b) {(a, b) I a =1= b}? c) {(a, b) I a = b + I }? d) {(a, b) I a = I }? e) {(a, b) l ab = l }?
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