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The lines represented by ax^(2)+2hxy+by^...

The lines represented by `ax^(2)+2hxy+by^(2)=0` are perpendicular to each other if

A

(1,2)

B

(2,4)

C

(-2,1)

D

(1,-2)

Text Solution

Verified by Experts

The correct Answer is:
D
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