16.
If A vector is perpendicular to B vector , then
A. Ā vector X B vector =0
B . A. [A+B]vector = A^2
C. A. B vector =AB
D. Ā.[Ā+ B]= A^2 + AB
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Answer:
D. Ā.[Ā+ B]= A^2 + AB
Explanation:
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