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April 20, 2014

April 20, 2014

Posted by **Marina** on Wednesday, September 18, 2013 at 6:08pm.

and lim(f-g)=1 as x-->a

find lim fg as x-->a

- calculus -
**Graham**, Wednesday, September 18, 2013 at 6:11pmHint:

(f+g)^2 - (f-g)^2 = 4 fg

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