l6 Three concentric circles of which the common r l have their radi in AP with 23, T d lf line y r+ cuts all the circles in real distinct points, then (a) d (b) d (c) d 1 (d) d is any real number

Three concentric circles of which the biggest is x^2+ y^2= 1 , have their radii in A.P If the line y= x+1 cuts all the circles in real and distinct points. The interval in which the common difference of the A.P will lie is:

Three concentric circles of which the biggest is x^2+ y^2= 1 , have their radii in A.P If the line y= x+1 cuts all the circles in real and distinct points. The interval in which the common difference of the A.P will lie is:

Three concentric circles of which the biggest is x^2+ y^2= 1 , have their radii in A.P If the line y= x+1 cuts all the circles in real and distinct points. The interval in which the common difference of the A.P will lie is:

Three concentrict circles of which the biggest is x^2+y^2=1 , have their radii in A.P. If the line y=x+1 cuts all the circles in real and distinct points. The interval in which the common difference of the A.P. will lie is :

(C) 245. Three concentric circles of which the biggest is x^(2)+y^(2)=1, have their radii in A.P If the line y=x+1 cuts all the circles in real and distinct points.The interval in which the common difference of the A.P will lie is:

Two concentric circles of which smallest is x^(2)+y^(2)=4 , have the difference in radii as d, if line y=x+1 cuts the circles in real points, then d lies in the interval

Two concentric circles of which smallest is x^(2)+y^(2)=4 , have the difference in radii as d, if line y=x+a cuts the circles in real points, then d lies in the interval

If a,b,c,d are distinct positive numbers in AP, then

The point P(a,b), Q(c,d), R(a,d) and S(c,b) , where a,b,c ,d are distinct real numbers, are

The point P(a,b), Q(c,d), R(a,d) and S(c,b) , where a,b,c ,d are distinct real numbers, are