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mehrasa
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if d>0 and 0<1-c/d<1 which one must be true?
I) c>0
II) c/d<1
III) c^2+ d^2>1
my Q is that how we can chk the third choice mathematically without picking No.
I) c>0
II) c/d<1
III) c^2+ d^2>1
my Q is that how we can chk the third choice mathematically without picking No.
Last edited by mehrasa on Mon Sep 19, 2011 2:29 am, edited 1 time in total.
