What is the value of { ( 1/2 ) -2 + ( 1/3 ) -2 + ( 1/4 ) -2 }
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Step-by-step explanation:
{(1/2)-2+(1/3)-2+(1/4)-2}
={-1+(-2/3)+(-1/2)}
=(-6-4-3)/6
= -13/6
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