Hello, please I need you answers this questions with details so I can understand it :
# 1 page287 , # 11 page 298 , # 12 page 298 , # 2 page 290 .
the book methods of real analysis, goldberg and the link the book below:
https://alansinyal.files.wordpress.com/2012/08/method-of-real-analysis.pdf
thank you.
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