Solved: The following problems involve addition, subtraction, andmultiplication of
Chapter 9, Problem 9.4.128(choose chapter or problem)
The following problems involve addition, subtraction, andmultiplication of radical expressions, as well as rationalizingthe denominator. Perform the operations and simplify, ifpossible. All variables represent positive real numbers.a. 12xy b. 12x 2y
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