MCQOPTIONS
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| 1. |
The area of the triangle formed by \[(\mathbf{a},b+\mathbf{c}),(\mathbf{b},\mathbf{c}+\mathbf{a})\] and \[\left( \mathbf{c},\mathbf{a}+\mathbf{b} \right)\] is |
| A. | \[a+b+c\] |
| B. | abc |
| C. | \[{{\left( a+b+c \right)}^{2}}\] |
| D. | 0 |
| Answer» E. | |