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stefan3222
@stefan3222
July 2022
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rina2403k
Сделаем методом замены
x²=t
тогда x⁴=t²
t²+3t-10=0
3*3+4*10=9+40=49
√49=7
x1=((-3-7)/2)=-10/2=-5
x2=((-3+7)/2)=4/2=2
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Answers & Comments
x²=t
тогда x⁴=t²
t²+3t-10=0
3*3+4*10=9+40=49
√49=7
x1=((-3-7)/2)=-10/2=-5
x2=((-3+7)/2)=4/2=2