In a cartesian plane two lines 5x+3y+7=0 and kx-4y+3=0 are perpendicular to same line.
find the value of k.
a) -20/7
b) -20/3
c) 20/9
d) 12/5
Attachments:
Answers
Answered by
0
Answer:
12/5 is the right answer
Answered by
0
Answer:
( b ) -20/3........right?
Similar questions