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Question
If A vector = Axi, B vector = Byj, C vector = A vector + B vector and D vector = A vector × B vector, then C vector • D vector is equal to what
If A vector = Axi, B vector = Byj, C vector = A vector + B vector and D vector = A vector × B vector, then C vector • D vector is equal to what
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Solution
Given
A= axi
B=byj
Given
C=A+B= axi+byj
D=A*B
SINCE A and B are perpendicular vector ( A in x direction and B in y directio ,their product will be 0)
SoD=0
NOW
C.D= C.0=0
A= axi
B=byj
Given
C=A+B= axi+byj
D=A*B
SINCE A and B are perpendicular vector ( A in x direction and B in y directio ,their product will be 0)
SoD=0
NOW
C.D= C.0=0
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