if vecter a , b and c are three mutually perpendicular vectors then proof that mod of vector a plus b plus c is equal to√3
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|a+b+c|^2 = (a+b+c).(a+b+c)
mutually perpend implies a.b= b.c=c.a=0
ur question is forgetting something that a b and c are unit vector
mutually perpend implies a.b= b.c=c.a=0
ur question is forgetting something that a b and c are unit vector
ajayaj:
now give it a try. i m sure u can do it
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