If `|z|=5,` then the locus of `-1 + 2z` is (A) a circle having center (2,0) (B) a circle having center `(-1,0)` (C) a circle having radius 5 (D) a circle having radius 9

If |z|=2, then locus of -1+5z is a circle whose centre is

Find the area of circle having radius 2 m

If |z+2+3i|=5 then the locus of z is (A) a circle with the (2,3) and radius 25 (B) a circle with the (-2,-3) and radius 25 (C) a circle with the (2,3) and radius 5 (D) a circle with the (-2,-3) and radius 5

Equation of circle passing through (-2,0),(4,0) , and having radius 5, is

If the length of the normal for each point on a curve is equal to the radius vector, then the curve (a) is a circle passing through origin (b) is a circle having centre at origin and radius 0 (c) is a circle having centre on x-axis and touching y-axis (iv) is a circle having centre on y-axis and touching x-axis

If |z|lt1, then 1+2z lies (A) on or inside circle having center at origin and radius 2 (B) outside the circle having center at origin and radius 2 (C) inside the circle having center at (1,0) and radius 2 (D) outside the circle having center at (1,0) and radius 2.

If |z|lt1, then 1+2z lies (A) on or inside circle having center at origin and radius 2 (B) outside the circle having center at origin and radius 2 (C) inside the circle having center at (1,0) and radius 2 (D) outside the circle having center at (1,0) and radius 2.

If the length of the normal for each point on a curve is equal to the radius vector,then the curve (a) is a circle passing through origin (b) is a circle having centre at origin and radius 0 (c) is a circle having centre on x-axis and touching y-axis (iv) is a circle having centre on y-axis and touching x-axis

A (6, 0) is a point on a circle with center (0, 0).Find the radius of the circle.

If z=3/(2+costheta+"isin"theta) then locus of z is a. straight line b. a circle having center on the y-axis c. a parabola d. a circle having center on the x-axis