Find the value of
k,
if
3x+ky-1=0 , 7x-3y+3=0
are perpendicular.
Answers
Answered by
1
Step-by-step explanation:
3x+2ky=2 and 2x+5y+1=0 are parallel
∴ the coefficients of x and y are in proportion
⇒
2
3
=
5
2k
⇒k=
4
15
Answered by
2
Answer:
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Step-by-step explanation:
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