It's possible/probable some of the assignment questions have been changed. aside from that its doubtful that any of the actual content is different. it's always best to check with the prof! and if you're using an old edition then compare with another student who has the latest textbook when doing assignments, section numbers could be moved around, etc.
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Thanks, what does it mean when it says BUNDLE* at the end of the textbook? Is it a different book?
Calculus Early Transcendentals BUNDLE* is what I need