The area of a parallelogram with adjacent sides given by vectors (2,1) and (1,3) using determinant is:
The area of a parallelogram with adjacent sides given by vectors (2,1) and (1,3) using determinant is:
- A. 5
- B. 6
- C. 7
- D. 8
Answer: A) 5
Explanation: Area = |det[2 1; 1 3]| = |6 − 1| = 5.
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