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Re: Official Guide Question 73
How can we expand (X-Y)², as X² + 2XY + Y². Shouldn't it be X² - Y² ? What am I missing here?
- by gdumral
Sat Jan 01, 2022 5:28 am- Forum: Data Sufficiency
- Topic: Official Guide Question 73
- Replies: 6
- Views: 4702