MCQOPTIONS
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| 1. |
Let \(f\left( x \right)\) be a function such that\(f\left( {\frac{1}{x}} \right)\; + \;{x^3}f\left( x \right)\) = 0, what is \(\mathop \smallint \limits_{ - 1}^1 f\left( x \right)dx\) equal to? |
| A. | 2 f(1) |
| B. | 0 |
| C. | 2 f(-1) |
| D. | 4 f(1) |
| Answer» C. 2 f(-1) | |