Mathematics
Senior High
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求解 答案3/2
1.在坐標平面上,設A,B,C為圓厂:(x+2)2+2=9上相異三點,已知AB=6,且直線AC
的方程式為2x+3y+1=0。若直線BC的斜角為0,則tan 6=
(數)
14-1
。
(化為最簡分
(14-2
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