What have you tried? There should be a worked example in your textbook somewhere...
(But given how often this particular question gets asked, my assumption might be wrong?)
That said, I have suspicion that, if you know the method but still didn't quite get the answer, there's a high chance you've messed up the algebra. In fact, this problem is particularly known for finicky algebra.
(But given how often this particular question gets asked, my assumption might be wrong?)
That said, I have suspicion that, if you know the method but still didn't quite get the answer, there's a high chance you've messed up the algebra. In fact, this problem is particularly known for finicky algebra.
(edited 4 months ago)
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