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zhiznloca
@zhiznloca
August 2022
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СРОЧНО!!! Ответ пожалуйста (Учёные, сюда пожалуйста)
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sedinalana
Verified answer
X²+x-5=0
x1+x2=-1 U x1*x2=-5
x1²+x2²=(x1+x2)²-2x1x2=(-1)²-2*(-5)=1+10=11
x1²x2^4+x2²x1^4=(x1x2)²*(x2²+x1²)=(-5)²*11=25*11=275
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Answers & Comments
Verified answer
X²+x-5=0x1+x2=-1 U x1*x2=-5
x1²+x2²=(x1+x2)²-2x1x2=(-1)²-2*(-5)=1+10=11
x1²x2^4+x2²x1^4=(x1x2)²*(x2²+x1²)=(-5)²*11=25*11=275