please help me solve this question . I will mark you as brainlist
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0
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this is craft i can paste in the book
how is it?
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1
Answer:
5 sq units
Step-by-step explanation:
Area = 1/2 det A
A is the 3X3 matrix with row 1 = (1,4,1)
row 2 = (-2,2,1)
row 3 = (3,2,1)
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