Which of the following shows the process of finding the magnitude of u given u .u = /45? O A. Ju= V45 O B. Jul=
Which of the following shows the process of finding the magnitude of u given u .u = /45? O A. Ju= V45 O B. Jul= V45 O C. Jul= 45 O D. Ju= (V45)Find 2u. v, if u = (-3,6) and v = i + 2j. O A. 30 O B. 18 O C. 15 O D. 9
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