My solution has two terms divided by a which is in error. I am a volunteer math coach to some junior college students and can't find my error in the problem. Its been a while since I earned my masters in electrical engineering.
The issue is the presencce of the variable "a" in the denominator of two of the terms in the answer. I can't imagine why the "a"s are not in the correct answer.
The problem requires solution by trigonometric substitution. All other equations are listed in my attempt at the problem.
The Attempt at a Solution
My work is all on the solution attempt.
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