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WE WILL SOLVE THE SAME PROBLEM AS PREVIOUS USING A “QUICK!” METHOD”.
In an octagon ABCDEFGH of equal side, what is the sum of AB+AC+AD+AE+AF+AG+AH if AO=2i+3j-4k
A) 16i+24j-32k
B) -16i-24j-32k
C) -16i-24j+32k
D) -16i+24j+32k

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