Vector A= 3i-4j+5k Vector B= -2i+j+3k
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Posted by Prachi Kharanshu 1 year, 2 months ago
- 2 answers
Anjan Karthi 1 year, 2 months ago
If you are asking the scalar or dot product, it will be of magnitude 3i.-2i + 1j.-4j + 5k.3k = 3(-2) + 1(-4) + 5(3) = -6 - 4 + 15 = 5 units// and direction will be cos x = A.B / magnitude of A × magnitude of B = 5 / √(3^2 + 4^2 + 5^2) × √(2^2 + 1^2 + 3^2) = 5 / √50 × √14 = 5 / √700 = 5/10√7 = 1/2√7.//
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Anjan Karthi 1 year, 2 months ago
0Thank You