Question

Find the vector equation of the line joining the points 2i + j + 3k and -4i + 3j - k.

Answer 1

Answer:

  The vector equation of the line joining the points are 2i+j+3k and -4i+3j-k is  r=(2i+j+3k) +λ(-6i+2j-4k)

                      1.Here     a = 2i+j+3k  b=-4j+3j-K

                     2.The vector equation of the line joining the points   r = a + λ(b-a)

                     3.  r=(2i+j+3k) + λ(-4i+3j-k-(2i+j+3k))

                     4. r=(2i+j+3k) +λ(-6i+2j-4k)

                     

Answer 2

Answer:

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