heyguysimacoolperson heyguysimacoolperson

21-05-2018
Mathematics

contestada

please help me with this pre-calc question!! i’ll help you with your english questions in return!

please help me with this precalc question ill help you with your english questions in return class=

Respuesta :

Matheng Matheng

22-05-2018

v = (4,-3,5)
w = (2,6,-1)
z = (3,0,4)
u = 0.5 v - w + 2 z = 0.5 (4,-3,5) - (2,6,-1) + 2 (3,0,4)
= ( [0.5 * 4 - 2 + 2 *3] , [0.5*-3-6+2*0] , [0.5*5--1+2*4] )
= ( 6 , -7.5 , 11.5 )
The correct answer is option D

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