Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ 2)(
- 2)
A. 15
B. 7
C. 11 - 2
D. 9
Answer: B
Mathematics
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A. -1 B. -i C. i D. 1
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A. 1 B. 3 C. 2 D. ?
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