/0:\r1 " x, y = 0 3 4 p a, 6` % & P 1 5 6 7 /'2 a - x 2 h - y = 0 1 \r“X , 8 = 0 34p0,0`%&P1 567“ F - y = 0 1 /;< = = 0 34y\r$ % & P 1 5 6 7 /;- ? y = 0 ; 1 / X, y = 0 3 4 x $%&P1 567\r/ x,-.y = 0 , /.\r3p@A PBC\rD p E ;FG@A H + 0 + /= 0/ + I < 0PBC7\r< _ |L2 M N .\rJ / + 3 , 0\r2p E ;P% @A y = kx+bPBC7d J Q > STU /\ry/1+k2\rpUpE;PV@A x = a PBC7W=|X Sa ”p E ;Y ,Z@A Py = b\rBC7d h y 0 - b | [\]p E ;^ T@A x = 0 j $ BC7d=|P |_p\rE;` V@A y = 0 x $BC7d=|a |/,\r4bcde fgPBC\r1? / + I H O, q # c2 , ?A ,4x+by + q = 0 h A i ^+k +6 = 0fgP\rBC7d = Q lc” \r5 + B\r4A m =A x + 4 hA y = Ax+ 4 fgPBC7d = “04 <h/\rJ1+ 4\rp Up@A PBC !n+#o '",p3-.