br6inaKaleAsha br6inaKaleAsha

16-06-2016
Mathematics

Answered

Which pair of lines is perpendicular?

Ay=2x-1 and2y=-x+3
By=3x+4nand3y-x=5
Cy=-4x+2 and x+4y=6
Dy=-6x-3 and 6x-y=4

Verified Answer :

18-06-2016

Hello,

Answer A

m_1=2
m_2=-1/2
m_1*m_2=-1

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