1.

If 4x+3y+k=0 touch the circle 2x^(2)+2y^(2)=5x then k=

Answer»

`5/4` or `(-45)/4`
`(-5)/4` or `(-45)/4`
`-5/4` or `45/4`
`5/4` or `45/4`

ANSWER :A


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