Hi, i am not sure how to derive the answer to this question, could you show me
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Hi, i am not sure how to derive the answer to this question, could you show me the steps / working in deriving the answer ? Thank you
![image text in transcribed](https://s3.amazonaws.com/si.experts.images/answers/2024/06/66661cc14786a_06566661cc12787d.jpg)
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