MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the sum to infinity of the series,3 + 6x2 + 9x4 + 12x6 + ……… given |x| < 1 ? |
| A. | \(3/(1+x^2 ) \) |
| B. | \(3/(1+x^2)^2 \) |
| C. | \(3/(1 - x^2)^2 \) |
| D. | \(3/(1- x^2)\) |
| Answer» D. \(3/(1- x^2)\) | |