I can never work out how to calculate parallel vectors, e.g.Given that c=3i+4j and d=i-2j find t if d-tc is parallel to -2i+3jI've tried using algebra but then I come out with two unknowns which I can't find. Please help!
I can never work out how to calculate parallel vectors, e.g.Given that c=3i+4j and d=i-2j find t if d-tc is parallel to -2i+3jI've tried using algebra but then I come out with two unknowns which I can't find. Please help!
d−tc=(1−3t)i−(2+4t)j then just equate that to k(−2i+3j) and solve for k.