If the equation kxy+10x+6y+4=0 represent...

If the equation `kxy+10x+6y+4=0` represents a pair of lines then : `k=`

A

(a) `0,18`

B

(b) `0,16`

C

(c) `0,15`

D

(d) `0,20`

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The correct Answer is:

C

NA

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