-O-Dediunic.]34. सदिश 21 +41-5 तथा 1 +21+3k के योगफल के समान्तर एक इकाई सदिशज्ञात करें।[Find a unit vector parallel to the sum of the vectors 21+41-5k andA+2 +32.

-O-Dediunic.]34. सदिश 21 +41-5 तथा 1 +21+3k के य�

1.	-O-Dediunic.]34. सदिश 21 +41-5 तथा 1 +21+3k के योगफल के समान्तर एक इकाई सदिशज्ञात करें।[Find a unit vector parallel to the sum of the vectors 21+41-5k andA+2 +32.
Answer» Sum of these two vectors = 3i + 6j -2kunit vector parrell can be achieved by dividing it by its magnitude, √(3^2 + 6^ 2 +(-2)^2)=7unit vector parrell to it = 3/7i + 6/7j - 2/7k