The locus of the centres of the circles which touch `x^2+y^2=a^2` and `x^2+y^2=4ax, externally

The locus of the centres of the circles which touch the circle x^(2)+y^(2)=1 externally also touch the y -axis and lie in the first quadrant,is

The locus of the centres of the circles, which touch the circle, x^(2)+y^(2)=1 externally, also touch the Y-axis and lie in the first quadrant, is

The locus of the centres of the circles, which touch the circle, x^(2)+y^(2)=1 externally, also touch the Y-axis and lie in the first quadrant, is

Select the correct option from the given alternatives.The locus of the centre of the circle which touches the circle x^2+y^2-6x-6y+14=0 externally and also touches Y-axis,is

Locus of the centre of the circle which touches x^2+y^2 - 6x-6y+14 =0 externally and also y-axis is:

The locus of the centres of circles which touches (y-1)^(2)+x^(2)=1 externally and also touches X-axis is

The locus of the centres of circles which touches (y-1)^(2)+x^(2)=1 externally and also touches X-axis is

The locus of the centres of circles which touches (y-1)^(2)+x^(2)=1 externally and also touches X-axis is