CBSE BOARD X, asked by eshubasnet67, 6 months ago

find the condition for the line a1x+b1y+c1=0 and a2x+b2y+c2=0 to be perpendicular

Answers

Answered by zak04

1

Explanation:

for a line to be perpendicular

a1/b1=a2/b2

Answered by mionean042

1

Answer:

(-a1/b1).(-a2/b2)=-1

Explanation:

since the product of their slope must be equal to -1

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