Mathematics
Senior High
Solved
計算の仕方教えてください
直線PQlに垂直であるから
6-2
(-a-3=-1
よってα-6-1=0
①
3+a 2+b)
Q(a,b) 傾き-1
2'2
ではないから
両辺に(a-3)
て 6-2a-3
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傾きm、nが垂直ならばmn=-1