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The lines joining the origin to the point of intersection of `3x^2+m x y-4x+1=0` and `2x+y-1=0` are at right angles. Then which of the following is a possible value of `m ?` `-4` (b) 4 (c) 7 (d) 3

A

`g^2+f^2=c`

B

`g^2-f^2=c`

C

`g^2-f^2=2c`

D

`g^2+f^2 =c^2`

Text Solution

Verified by Experts

The correct Answer is:
c
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