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| 1. |
P, q, r, s are vector of equal magnitude. If p+q-r=0 angle between p and q is 1. If p+q-s=0 angle between p and s is 2 .the ratio of 1 and 2 is |
| Answer» P, q, r, s are vector of equal magnitude. If p+q-r=0 angle between p and q is 1. If p+q-s=0 angle between p and s is 2 .the ratio of 1 and 2 is | |