An oil tanker can be emptied by the main pump in 4 hours. An auxiliary pump can empty the tanker in 7 hours. If the main pump is
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Answer:
<h2>D.Step-by-step explanation:
Given the expression , the dfference is expressed as follows;
Step1: First we need to factorize the denominator of each function.
Step 2: We will find the LCM of the resulting expression
The final expression gives the difference