We can't expect students to be familiar with the notation for this site.
Your problem should appear this way:

Please help me   the equation  : 
→  <--(Note: This is the same as what's given.
So it means this choice claims that the expression on the right cannot be
simplified.
→ 
→ 

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This tests you to see if you know that the cube root is the same as the
one-third power:



This tests you to see if you know the rule of logs that the log of an
exponential is the exponent times the log of the base:



Which choice is that?

Edwin