SOLUTION: I found this question in book entitled 1001 solved problems in engineering math, the book already gives the answer but i dont understand how it is done,here is the question:
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Question 295204: I found this question in book entitled 1001 solved problems in engineering math, the book already gives the answer but i dont understand how it is done,here is the question:
I hope it will be answered with some explanation in it. thank you for the help. Answer by richwmiller(17219) (Show Source):