`f(x),=[x]^(2)-[x^(2)]` is discontinues on , A) `Z` B) `Z-{0}` C) `Z-{1}` D) `Z-{1,0}`

The function f(x)=tanx is discontinuous on the set {npi; n in Z} (b) {2npin in Z} {(2n+1)pi/2: n in Z} (d) {(npi)/2: n in Z}

A plane through the line (x-1)/1=(y+1)/(-2)=z/1 has the equation (A) x+y+z=0 (B) 3x+2y-z=1 (C) 4x+y-2z=3 (D) 3x+2y+z=0

The equation of the plane thorugh the point (-1,2,0) and parallel to the lines x/3=(y+1)/0=(z-2)/(-1) and (x-1)/1=(2y+1)/2=(z+1)/(-1) is (A) 2x+3y+6z-4=0 (B) x-2y+3z+5=0 (C) x+y-3z+1=0 (D) x+y+3z-1=0

If a ,b ,c ,d ,e , and f are in G.P. then the value of |((a^2),(d^2),x),((b^2),(e^2),y),((c^2),(f^2),z)| depends on (A) x and y (B) x and z (C) y and z (D) independent of x ,y ,and z

Find A=[(0,2y,z),(x,y,-z),(x,-y,z)] satisfies A^(T) = A^(-1)

If (x_(0), y_(0), z_(0)) is any solution of the system of equations 2x-y-z=1, -x-y+2z=1 and x-2y+z=2 , then the value of (x_(0)^(2)-y_(0)^(2)+1)/(z_(0)) (where, z_(0) ne 0 ) is

z=x+iy satisfies arg(z+2)=arg(z+i) then (A) x+2y+1=0 (B) x+2y+2=0 (C) x-2y+1=0 (D) x-2y-2=0

Let Z_(1)=x_(1)+iy_(1) , Z_(2)=x_(2)+iy_(2) be complex numbers in fourth quadrant of argand plane and |Z_(1)|=|Z_(2)|=1 , Ref(Z_(1)Z_(2))=0 . The complex numbers Z_(3)=x_(1)+ix_(2) , Z_(4)=y_(1)+iy_(2) , Z_(5)=x_(1)+iy_(2) , Z_(6)=x_(6)+iy , will always satisfy

A plane which passes through the point (3,2,0) nd the line (x-4)/1=(y-7)/5=(z-4)/4 is (A) x-y+z=1 (B) x+y+z=5 (C) x+2y-z=1 (D) 2x-y+z=5

The equation of the plane containing the line 2x+z-4=0 nd 2y+z=0 and passing through the point (2,1,-1) is (A) x+y-z=4 (B) x-y-z=2 (C) x+y+z+2=0 (D) x+y+z=2