The expression , where and , is equivalent to which of the following?
A
B
C
D
Correct answer: D
Explanation
Choice D is correct. For and , and are equivalent to and , respectively. Also, and are equivalent to and , respectively. Therefore, the given expression can be rewritten as .
Choices A, B, and C are incorrect because these choices are not equivalent to the given expression for and .
For example, for and , the value of the given expression is ; the values of the choices, however, are , , and 1, respectively.
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id cb_question_bank:5d0a7678-34a9-4bf9-8b8f-7e6143c3cacb · question 2c88af4d · IBN 00538-DC
· JSON