take p= xi + yj
q= ai + bj
do vector addition and subtraction
then again perform vector addition on the p+q and p-q
u will get 2p hence the angle becomes zero ..
What is the the angle between P and the resultant of (P + Q)and (P-Q) ?
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1 Answers
Anindita Roy
·2013-06-22 04:13:01