October 2018 1 29 Report

Dane sa równania ogólne prostych k i l. Czy proste k i l sa do siebie prostopadłe?

a) k:5x+7=0 l:3y-2=0

b)k: -2/3x -3/4y+1=0 l:1,5-1 1/3y + 2 1/5 =0

c)k:2x+y=0 l: -2x+y=0

d) k:4x+7y=0 l:-7x+4y=0

PROSZE O PEŁNE OBLICZENIA


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