\(\dfrac{1}{\dfrac{1}{\sqrt[3]{a+b}}}* \dfrac{\sqrt[3]{(a+b)^4}}{\dfrac{1}{(a+b)^{-\frac{2}{3}}}}=\)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

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