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    Just need some clarification here:
    "Expand this 0(v^4/c^4) and identify the terms you obtain"
    Is it sufficient to expand up to (but not including) the term containing (v^4/c^4) and then just add "+ 0(v^4/c^4)" at the end?
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    is this about how far you should expand it? or how to use the +O(...) notation?

    we generally expand it as much as we need to use it, whether thats to squared, cubed etc just depends on the application.
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    The extract in speech marks is from the question. I am asking how far it expects me to expand it.
 
 
 
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