Determine whether the statement is true or false.
Chapter 4, Problem 4.65(choose chapter or problem)
Determine whether the statement is true or false. Justify your answer with a proof or a counterexample, as appropriate. In each case use only the denitions of the terms and the Assumptions listed on page 110 not any previously established properties.For all nonnegative real numbers a and b, ab=ab. (Note that if x is a nonnegative real number, then there is aunique nonnegative real number y, denoted x, such that y2 = x.)
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