Question asks to find k in the form of a limit of This is my attempt The answer is given as I'm not sure how to get to this.
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Hello, Originally Posted by Craka Question asks to find k in the form of a limit of This is my attempt The answer is given as I'm not sure how to get to this. I guess these are - signs and not + (see the red parts). And you are very near to the solution ! Note that Can you see a simplification ?
Yes sorry they should be negative signs
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