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Rangpur Higher Secondary 2011/3

Posted: Wed Feb 02, 2011 9:02 pm
by BdMO
Problem 3:
If $-3<f<4$ and $-2<g<1$, then what is the range of possible values of $fg$?

Re: Rangpur Higher Secondary 2011/3

Posted: Wed Aug 29, 2018 7:59 pm
by Ragib Farhat Hasan
-8<fg<6