What is the answer for x?
1 answer:
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<h3>Answer: 25/12</h3>
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Work Shown:
Note: in step 3, I'm adding terms in the form 1/k where k ranges from k = 1 to k = 4 (k being an integer)
With an expression like this, you have to raise all the terms to the 3rd power. So the 5 will become 
, 
will become 
, the 4 will become 
and finally, the 
becomes 
. If you place all of these together in the same fraction, the new answer equivalent to the initial expression is 