已知圆\(C\)的圆心在\(x\)轴的正半轴上,点\(M(0,\sqrt{5})\)在圆\(C\)上,且圆心到直线\(2x-y=0\)的距离为\(\dfrac{4\sqrt{5}}{5}\),则圆\(C\)的方程为____.
进入组卷