Question

Find the unit vector in the direction of the sum of the vectors
a = 2i + 2j – 5k and b = 2i+ j+ 3k​

Answer 1

Answer:

The sum of the given vectors is vector(a + b) ( = vector c, say) = 4i + 3j - 2k.

and |vector c| = √(42 + 32 + (-2)2) = √29.

Thus, the required unit vector is.

11-Oct-2019