MCQOPTIONS
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MCQOPTIONS
| 1. |
If a, b, c, x, y, z are the real numbers such that a2 + b2 + c2 = 1, x2 + y2 + z2 = 1, then ax + by + cz |
| A. | Less than or equal to 3 |
| B. | Less than or equal to 1 |
| C. | Greater than or equal to 3 |
| D. | Greater than or equal to 1 |
| Answer» C. Greater than or equal to 3 | |