Question: 18.) Let u - 7i -4] and w - -i -2) . Find |w -ull if possible. a.) [w -u= -87+2j b.) |w -ul=2517 c.)

18.) Let u - 7i -4] and w - -i -2) . Find |w -ull if possible. a.) [w -u= -87+2j b.) |w -ul=2517 c.) w -w|=61 -6) d.) |w-ul=6 2 e.) None of these 19.) Find vector v given Jul and e. |=6 and 0=60 a.) v = 6(cos 60", sin60") b.) v = 6(601 -60]) c.) v=6/10 d.) v=2v15 e.) None of these 20.) Plot the point given in polar coordinates. | - 3, a.) b.) C. d.) e.) None of these

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