[機經] 11月JJ-06MATH
想請教各位板友~
這題該如何做呢?
有看到JJ上有人寫正切值
但是還是不太懂該如何下手~感恩~^^
題:
坐標系中有兩個圓,一大一小,半徑分別4,6。
兩個圓互相外切並與x軸相切
(小圓在大圓左邊,就是x軸托著兩個圓,兩圓在Y軸右邊不與Y軸相切。),
題裏給圖了,一直線過兩圓圓心,問此直線斜率,
(補充:小圓在大圓左邊,x軸托著他倆 在y軸右邊,不與Y軸相切)
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推
11/02 22:53, , 1F
11/02 22:53, 1F
→
11/02 22:57, , 2F
11/02 22:57, 2F
→
11/02 22:58, , 3F
11/02 22:58, 3F
→
11/02 22:59, , 4F
11/02 22:59, 4F
推
11/02 23:13, , 5F
11/02 23:13, 5F
→
11/02 23:13, , 6F
11/02 23:13, 6F
推
11/03 00:24, , 7F
11/03 00:24, 7F
→
11/03 00:25, , 8F
11/03 00:25, 8F
→
11/03 00:25, , 9F
11/03 00:25, 9F
推
11/03 11:55, , 10F
11/03 11:55, 10F
→
11/03 11:55, , 11F
11/03 11:55, 11F
→
11/03 11:57, , 12F
11/03 11:57, 12F
推
11/03 11:59, , 13F
11/03 11:59, 13F
→
11/03 12:01, , 14F
11/03 12:01, 14F
→
11/03 12:02, , 15F
11/03 12:02, 15F
→
11/03 12:03, , 16F
11/03 12:03, 16F
→
11/03 12:03, , 17F
11/03 12:03, 17F
推
11/04 00:06, , 18F
11/04 00:06, 18F
推
11/04 00:34, , 19F
11/04 00:34, 19F
→
12/02 18:43,
7年前
, 20F
12/02 18:43, 20F
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