Question

Find the magnitude of the sum of the three coplanar vectors a, b, and c,

which are given as a= 5i + 3j +8 k b= -i + 2j +3k c= 2i - j –2 k​

Answer 1

Answer:

√133

Explanation:

resultant= 6i+4j+9k

magnitude=√36+16+81

=√133

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