Question
Mon June 11, 2012 By: Kanu Singh

If |A*B|vector= root 3 A.B vector then find the value of |A+B| vector? Thank you

Expert Reply
Mon June 11, 2012
|A*B|= root 3 A.B
AB sin ?=root 3 x ABcos?
tan ?=root 3
?=60
now |A+B|2=A2+B2+2AB cos60
|A+B|=?(A2+B2+AB)
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