The maximum distance from origin of a point on the curve `x=asint-bsin((a t)/b), y=acost-bcos((a t)/b)`, borth a,b>0 is

The maximum distance from the origin of a point on the curve x= a sin t - b sin ((at)/(b)) , y= a cos t - b cos((at)/(b)) , both a, b gt 0 , is-

The minimum distance of a point on the curve y=x^2-4 from origin ,

The minimum distance of a point on the curve y=x^2-4 from origin ,

The distance from the origin of the normal to the curve x=2cos t+2tsint , y=2sint-2tcost , at t=(pi)/4 is

The minimum distance of a point on the curve y=x^(2)-4 from the origin is :

The minimum distance of a point on the curve y=x^(2)-4 from the origin is :

The minimum distance of a point on the curve y=x^(2)-4 from the origin is

The shortest distance between origin and a point on the space curve x=2sint, y=2cost, z=3t is….

The shortest distance between origin and a point on the space curve x=2sint, y=2cost, z=3t is….