Answer to Question #67859 in Analytic Geometry for Henry

Question #67859

The following forces act on a particle P :F1=2i+3j−5k, F2=−5i+j+3k, F3=i−2j+4k ,F4=4i−3j−2k, Find the magnitude of the resultant
a)2i−j
b)2i−j+k2
c)2i−j−2k
d)i−j−k

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