cardenas08
05.02.2020 •
Mathematics
There are 4000 books in the towns library. of these 2600 are fiction percent equation
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Ответ:
a=1 b =-4 c=3
x = [--4 +-sq root (16 -4*1*3)]/ 2*1
x = [4 +- sq root (4)] / 2
x = (4 + 2) / 2
x1 = 3
x2 = (4 -2) / 2
x2 = 1