MCQOPTIONS
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| 1. |
If \[x+\frac{1}{x}=a+b\] and \[x-\frac{1}{x}=a-b\], which of the following is true? |
| A. | \[ab=1\] |
| B. | \[a=b\] |
| C. | \[ab=2\] |
| D. | \[a+b=0\] |
| Answer» B. \[a=b\] | |