MCQOPTIONS
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| 1. |
Find the product of (a + b + 2c) (a2 + b2 + 4c2– ab – 2bc – 2ca). |
| A. | a3 + b3 + 8c3–abc |
| B. | a3 + b3 + 8c3– 6abc |
| C. | a3 + b3 + 8c3– 2abc |
| D. | a3 + b3 + 6c3– 6abc |
| Answer» C. a3 + b3 + 8c3– 2abc | |