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D Question 1 Question 1 Let A (5,-2, 6), B (5.-9,3), C (3.-4. 1) be three points. i) Calculate the vectors a = BC and b = CA
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Answer #1

Let A= (5,-2, 6) B = (59-9,3), C=(3,-4, 1) & suppose that, A = (to, 9.,20) = (5,-2, 6) B = (21,9, ,71) =(5,-9,3) 1 - CE (0614Thus K axb NG , -2 -2 2 5 - 12 i [(5x5) - (-242)] -j ((-2X5J-E2X23] tk [(-282) - (582)] 1(25+4] - (-10+4] + [-40-10) axb 291

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