The sum and difference of the two vector are equal in magnitude.what conclusion you can draw?
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it means the angle between them is 90 degree
A²+B² +2ABcos theta=A²+B² -2ABcos theta solving this will get u the value of theta
A²+B² +2ABcos theta=A²+B² -2ABcos theta solving this will get u the value of theta
Anonymous:
Explain please
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