Jawabanmu

2016-09-27T05:51:57+07:00
(3V5 - V10)^2
= (3V5)^2 + 2(3V5)(-V10) + (-V10)^2
= 9.5 - 6V50 + 10
= 45 - 6V(25.2) + 10
= 45 - 6.5V2 + 10
= 55 - 30V2 
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