Let U and V 2 vectors in R3. U(-4, 6, 3) and ||V|| = 2.8 (norm of V) if the angle between U and V is 0 = 0.2A (radians) %3D find the dot product U.V Answer:

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A: u=4, 3  &  v=-5, 0 Now, u·v=4, 3·-5, 0=4-5+30=-20 & u=42+32=5v=-52+02=5

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