The circle x^(2)+y^(2)+2lamdax=0,lamdain...

The circle `x^(2)+y^(2)+2lamdax=0,lamdainR`, touches the parabola `y^(2)=4x` externally. Then,

`lamdagt0`

`lamdalt0`

`lamdagt1`

none of these

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The correct Answer is:

(1) The graph shows `lamdagt0`.

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