If OA vector=
2î - 5j^+7k^ and OB = 5î – 3j^+k^ , find AB vector and its magnitude.
Answers
Answered by
5
Answer:
3i +2j -6k
Step-by-step explanation:
AB = OB-OA
= (5i -3j +k)-(2i -5j+7k)
AB = 3i +2j -6k
Answered by
6
Step-by-step explanation:
OA =2i-5j+7k
OB =5i-3j+k
AB=OB-OA
=(5i-3j+k)-(2i-5j+7k)
=3i+2j-6k
AB=|3i+2j-6k|
=√(3^2 +2^2+6^2)
=√(9+4+36)
=√49
=7 Ans.
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