[" (4) "" cre root "g" the equatico "],[" nat "cos x-x+(1)/(2)=0" lies an the "],[" enterval "]

One root of the equation cosx-x+1/2=0 lies in the interval

One root of the equation cos x-x+(1)/(2)=0 lies in the interval (A)[0,(pi)/(2)](B)[-(pi)/(2),0] (C) [(pi)/(2),0] (D) none

One root of the equation cos x-x+1/2=0 lies in the interval (A) [0,pi/2] (B) [-pi/2,0] (C) [pi/2,0] (D) none

One of the root equation cos x-x+(1)/(2)=0 lies in the interval (0,(pi)/(2))(b)(-(pi)/(2,0))(c)((pi)/(2),pi)(d)(pi,(3 pi)/(2))

The smallest positive root of the equation tan x-x =0 lies in the interval

If exactly one root of the quadratic equation x ^(2) -(a+1 )x +2a =0 lies in the interval (0,3) then the set of value 'a' is given by :

cos x =- 1/2, x lies in third quadrant.

The smallest positive root of the equation tan x-x=0 lies in

If both the roots of the equation x^(2)-4ax+1-3a+4a^(2)=0 exceed 1, then a lies in the interval