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Mathematics 9 Online
OpenStudy (anonymous):

Find v + 4u. u= (4,2) v= (7,1)

hartnn (hartnn):

Hi, \(\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} \) to find v+4u, first find 4u that you can do by multiplying both the co-ordinates of 'u' by 4 for example : a = (3,4) .... 2a = (6,8) so 4u = ... ?

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