Mark sold three flavors of drinks: cherry, grape and orange. He sold twice as many cherry drinks as orange drinks. He sold 6 mor
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Step-by-step explanation:
Firstly, we'll try to simplify the integrand. By hint 1, we see that:
Simplifying the integrand gives us:
Next, by hint 2, we observe that:
So this tells us to make the substitution:
Doing so gives us:
, which should be trivial.