plz answer quickly
it is hard
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Answer:
I think c is correct option
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Answer:
My gawd this is so hard i cant solve it.its IMO Level shut up kid
COST =COST OF ONE OBJECT × NUMBER OF OBJECTS
= (x/2 - y/z)( z + 2)
= xz/2 - y + x - 2y/z
Ans : D
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