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Vikash raj shrivastava Asked a Question
October 13, 2021 11:28 ampts 30 pts
Ex. A unit vector ñ on the xy plane is at an angle of 120° with respect to i. The angle between the vectors ü=ai+bñ and V= añ + bj will be 60° if (A) b=v3a/2 (B) b= 2a/3 (C) b = a/2 (D) b = a
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  • Bidyut sinha thankyou
    please see attached pictures.. Picture 1 is the method 1 and picture 2 is the Method 2.
    • cropped1176674740.jpg
    • cropped1581062791.jpg
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