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Three vectors A of length 3 cm and 30 degree, B of 4 cm and 120 degree and C of 5 cm and 90 degree( all make an angle with the x-axis) are there. Prove the associative LAW (A+B)+C = A+(B+C) by vector addition.

Answer» Three vectors A of length 3 cm and 30 degree, B of 4 cm and 120 degree and C of 5 cm and 90 degree( all make an angle with the x-axis) are there. Prove the associative LAW (A+B)+C = A+(B+C) by vector addition.


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