Have you done problem 1? Problem 2 says "This one may seem easy/trivial if you have completed problem 1, since it is looking at the same problem in just a slightly different way."
Look back at how you did problem 1 and see if you can tell how it applies.
i dont know. really i tried and tried . cant seem to find a right answer or to resolve it.
you can delete the post if u want to. i resolve the problem and thx u for everything
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