Manufacturing. A machine has a work output of 14ax4 j (joules) and a work in put 7a2x5 j. What is the eficiency of the machine?
efficiency in % = work output in joules
work input in joules
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The coefficients in a rational expression would be rational numbers.
if it convert
When the denominator is a factor of the numerator. If there is 2x in the numerator and denominator these terms cancel.
I can see no rational expression below.