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| 1. |
Vector p + vector q+ vector R = 0, and |vector p |=3|vector q| = 4 ; |vector R|= 5, angle between vector p & vector R is {tan^-1 ¾ =37°} , which option is correct ---------(1) 127° (2) 37°(3) 153° (4) 53° |
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