August 2018 1 24 Report
DIKETAHUI a=2i - j + 3k, b=3i + 2j - k, c= 4i - 3j + k dan u= a + 2b - c .panjjang u adalah....satuan

A.2√10
B,2√11
C.2√12
D2√13
E.2√14

tolong ya
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