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If the sum of the slopes of the lines gi...

If the sum of the slopes of the lines given by `x^2-2cxy-7y^2=0` is four times their product , then the value of c is

A

a) -4

B

b) -2

C

c) 2

D

d) 4

Text Solution

Verified by Experts

The correct Answer is:
B
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