Mathematics
Senior High
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答えは5x+2yー13=0なんですけど、なぜこのー13の部分の分母の2が消えるのですか?
(4) (1,2), x=3
直線に垂直な直線の方程式を求めよ。
4°
→教p.80 例題
*(2) (1, 4), 2x-5y-1=0
Z
512
2≒m=-1
M =
-
y-4:-/(x-1)
y=1/2x+2/+4
13
y=-21/2x+1/2
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