MCQOPTIONS
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| 1. |
If \[{{\tan }^{-1}}\frac{a+x}{a}+{{\tan }^{-1}}\frac{a-x}{a}=\frac{\pi }{6}\],then \[{{x}^{2}}\]= |
| A. | \[2\sqrt{3}a\] |
| B. | \[\sqrt{3}a\] |
| C. | \[2\sqrt{3}{{a}^{2}}\] |
| D. | None of these |
| Answer» D. None of these | |