

MCQOPTIONS
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1. |
Expand (2x - y + 3z)2 |
A. | 4x2 + y2 + 9z2 + 4xy + 6yz + 12xz |
B. | 4x2 + y2 + 9z2 + 4xy + 6yz - 12xz |
C. | 4x2 + y2 + 9z2 - 4xy - 6yz + 12xz |
D. | 4x2 + y2 + 9x2 + 4xy - 6yz + 12xz |
Answer» D. 4x2 + y2 + 9x2 + 4xy - 6yz + 12xz | |