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已知A(x1,y1),B(x2,y2)都在函数y=6/x上,若x1x2=-3,y2的值为几?
人气:236 ℃ 时间:2020-06-20 12:20:23
解答
A(x1,y1),B(x2,y2)都在函数y=6/x上

y1=6/x1
y2=6/x2
y1*y2=6/x1*6/x2=36/x1x2=36/(-3)=-12
y2=-12/y1那y2具体值为几
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