Question: 3. Let u= (1, 2, 3) and v= (2, 3, 4). (a) Find 2u - 3v. (b) Find ||u||. (c) Find a constant c

3. Let u (1, 2, 3) and v= (2, 3, 4). (a) Find 2u - 3v. (b) Find ||u||. (c) Find a constant c such that u is 

3. Let u= (1, 2, 3) and v= (2, 3, 4). (a) Find 2u - 3v. (b) Find ||u||. (c) Find a constant c such that u is perpendicular to u + cv.

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