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24.03.2021 •
Mathematics
Solve the following systems using elimination:
1) x + 10y = 17
x - 3y = 4
2) 2x = 2y - 6
3x +2y = -19
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Ответ:
Answer Expert Verified x= -8/2+(8^2-2*(-9))^(1/2)/2 and x=-8/2-(8^2-2*(-9))^(1/2)/2; x= -4+ \sqrt{64+18} /2 and x=-4- \sqrt{64+18} /2; x= -4+ \sqrt{\frac{41}{2}} and x= -4- \sqrt{\frac{41}{2}} . f(x)=0, if x= -4+ \sqrt{\frac{41}{2}} and x= -4- \sqrt{\frac{41}{2}} .
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