MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the inverse of (x2 + 1) modulo (x4 + x + 1). |
| A. | x<sup>4</sup>+ x<sup>3</sup>+x+1 |
| B. | x<sup>3</sup>+x+1 |
| C. | x<sup>3</sup>+ x<sup>2</sup>+x |
| D. | x<sup>2</sup>+x |
| Answer» C. x<sup>3</sup>+ x<sup>2</sup>+x | |