Current location - Education and Training Encyclopedia - Educational institution - (20 12? As shown in the figure, take any point p passing through the positive semi-axis of the X axis as the vertical line of the X axis, and intersect with the images of the inverse proportional func
(20 12? As shown in the figure, take any point p passing through the positive semi-axis of the X axis as the vertical line of the X axis, and intersect with the images of the inverse proportional func
(20 12? As shown in the figure, take any point p passing through the positive semi-axis of the X axis as the vertical line of the X axis, and intersect with the images of the inverse proportional functions y 1=2x and y2=4x respectively. Let the straight line OP=x, then PB=2x, AP=4x,

∴S quadrilateral acop =12 (oc+AP) × op = x2oc+2; sb COP = 12(OC+BP)×OP = x2OC+ 1，

∴S△ABC=S quadrilateral ACOP-S quadrilateral bcop = 1.

So choose a.

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