The equation x^(2)+kxy+y^(2)-5x-7y+6=0 r...

The equation `x^(2)+kxy+y^(2)-5x-7y+6=0` represents a
pair of straight lines, then `k` is

A

(a) `5/3`

B

(b) `10/3`

C

(c) `3/2`

D

(d) `3/10`

Verified by Experts

The correct Answer is:

B

NA

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