If C is the vector sum of A and B, C=A+B, what must be true if C=A+B, what must be true if C=0?

b mirrors submit a iisner? e. for which optical devices does d sometimes have a positive value? o a a and b o b. a and c o c. b and d 0 d. b and cb

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

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