Question: Please solve correctly with proper explanations 5. Find the area of the triangle having vertices at P(1, 2, 3), Q(2, -1, 1), R(-1, 2, 3).

Please solve correctly with proper explanations 5. Find the area of

Please solve correctly with proper explanations

the triangle having vertices at P(1, 2, 3), Q(2, -1, 1), R(-1,

5. Find the area of the triangle having vertices at P(1, 2, 3), Q(2, -1, 1), R(-1, 2, 3). Hint:use cross product of two vectors

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