The barrier on the -2 in the exponent is confusing me, the answer is clearly not 1. Whats the catch of this problem?
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Originally Posted by StefanMomcilovic The barrier on the -2 in the exponent is confusing me, the answer is clearly not 1. Whats the catch of this problem? what does the colon between the two expressions represent?
[QUOTE=skeeter;615276]what does the colon between the two expressions represent? division
note that and
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