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\frac { 1 } { 2 } - ( \frac { 1 } { 3 } - \frac { 1 } { 5 } ) \neq ( \frac { 1 } { 2 } - \frac { 1 } { 3 } ) - \frac { 1 } { 5 } |
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Answer» 1/2-(1/3-1/5)=1/2-2/15=11/30(1/2-1/3)-1/5=1/6-1/5=-1/30so both are different |
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