Math, asked by Nishanth842, 9 months ago

Two straight lines a1x + b1y + c1 = 0 and a2x + b2y + c2 = 0 are perpendicular.

(a) a1a2 + b1b2 = 0
(b) a1b2 – a2b1 = 0
(c) a1a2 – b1b2 = 0
(d) a1b2 + a2b1 = 0

Answers

Answered by pulakmath007

5

Answer:

The answer is (a)

Step-by-step explanation:

The answer is (a) a1a2 + b1b2 = 0

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