If the greatest valueof `|z| ` such that `|z-3-4i|lea` is equal to the least value of `x^4+x+ 5/x in (0,oo) then a=` (A) 1 (B) 4 (C) 3 (D) 2

Least value of |z-2|+|z-4i| is

If |z-4+3i|le3, then the least value of |z|= (A) 2 (B) 3 (C) 4 (D) 5

If |z-4+3i|le3, then the least value of |z|= (A) 2 (B) 3 (C) 4 (D) 5

If |z-4+3i| leq 1 and m and n be the least and greatest values of |z| and K be the least value of (x^4+x^2+4)/x on the interval (0,oo) , then K=

If |z-4+3i| leq 1 and m and n be the least and greatest values of |z| and K be the least value of (x^4+x^2+4)/x on the interval (0,oo) , then K=

If |z-4 +3i| le 2 then the least and the greatest values of |z| are q

If theta is the angel between the planes 2x-y+z-1=0 and x-2y+z+2=0 then costheta= (A) 2/3 (B) 3/4 (C) 4/5 (D) 5/6

5.The value of (i^(4x+1)-i^(4x-1))/(2) is equal to (a) 1 (b) -1 (c) -i (d) 0

If x lies in the interval [0,\ 1] , then the least value of x^2+x+1 is (a) 3 (b) 3//4 (c) 1 (d) none of these

The least value of the expression x^2+4y^2+3z^2-2x-12 y-6z+14 is a. 1 b. no least value c. 0 d. none of these