The problem
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hello, I dont understand where the 625 came from ??
Answer provided by our tutors
From the explanation:
you can see that the term added and subtracted is (50/2)^2, which is 625
hello, I dont understand where the 625 came from ??
From the explanation:
you can see that the term added and subtracted is (50/2)^2, which is 625
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