

MCQOPTIONS
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1. |
Sum of 2a + 4b, 5a + 2c + 2d, -5a - 9b + 4c - d and 11b - 8c - 4d is |
A. | 2a - 6b - 2c - 3d |
B. | 2a + 6b - 2c - 3d |
C. | 2a + 6b + 2c + 3d |
D. | 2a - 6b + 2c - 3d |
Answer» C. 2a + 6b + 2c + 3d | |