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# What is the shortest distance between (-2,0) and (2,0) without entering Inside of the circle x^2+y^2=1 ?1.  2√32.  2√3+π/33.  √3+2π/34.  None of these

15 Points
2 years ago
1. Draw a diagram of circle with origin as centre and Mark all the points on x and y axis
2. All points are (1,0) (0,1) (-1,0)(0,-1)
3. As we know min distance between two points will be a line joining (1,0) (2,0) and (-2,0)
Length of tangent will be $\sqrt{}$S(-2,0) which will when doubled give the exact length where S= x2+y2=1
2* $\sqrt{}\frac{}{}$(-2)+0 -1 = 2$\sqrt{}$3