MCQOPTIONS
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MCQOPTIONS
| 1. |
Two operators, and , are said to commute when ____________ |
| A. | = |
| B. | + = 0 |
| C. | = |
| D. | <sup>2</sup> = <sup>2</sup> |
| Answer» D. <sup>2</sup> = <sup>2</sup> | |