Odpowiedzi

2009-12-05T17:23:38+01:00
A=(2,-1), B=(-3,4), C=(t,3t+2)

-1 = 2a + b
4 = -3a + b

1 = -2a - b
4 = -3a + b
+ -----------------
5 = -5a

a = -1
-1 = -2 + b

a = -1
b = 1

y = -x + 1

3t + 2 = -t +1
4t = -1
t = -1/4

Dla wartości t = -1/4
4 5 4