Ответ:
D=121-4*4*(-3)=169
X1,2=(-11+-13)/8
X1=1/4
X2=-3
X€(-3,1/4)
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Ответ:
D=121-4*4*(-3)=169
X1,2=(-11+-13)/8
X1=1/4
X2=-3
X€(-3,1/4)