If `(x^2+x)+i ya n d(-x-1)-i(x+2y)` are conjugate of each other, then real value of `x&y` are `x=-1,y=1` b. `x=1,y=-1` c. `x=1,y=1` d. `x=-1,y=-1`

If (x^(2)+x)+iy and (-x-1)-i(x+2y) are conjugate of each other,then real value of x&y are x=-1,y=1 b.x=1,y=-1 c.x=1,y=1 d.x=-1,y=-1

Find the real values of x and y if (x-1)/(3+1)+(y-1)/(3-i)=i

Find the real values of x\ a n d\ y ,\ if:(1+i)(x+i y)=2-5i

The normal at the point (1,1) on the curve 2 y+x^2=3 is a) x+y=0 b) x-y=0 c) x+y+1=0 d) x-y=1

Find the real value of x and y,if x: ((x-1)/(3+i))+((y-1)/(3-i))=i .

If y=1/(1+x+x^2+x^3) , then value of (d^2y)/(dx^2) at x=0 is

If A(x_1, y_1),B(x_2, y_2),C(x_3, y_3) are the vertices of a triangle, then the equation |x y1x_1y_1 1x_2y_3 1|+|x y1x_1y_1 1x_3y_3 1|=0 represents (a)the median through A (b)the altitude through A (c)the perpendicular bisector of B C (d)the line joining the centroid with a vertex

If A(x_1, y_1),B(x_2, y_2),C(x_3, y_3) are the vertices of a triangle, then the equation |x y1x_1y_1 1x_2y_3 1|+|x y1x_1y_1 1x_3y_3 1|=0 represents (a)the median through A (b)the altitude through A (c)the perpendicular bisector of B C (d)the line joining the centroid with a vertex

|(3,-3i,x),(4,y,i),(0,2i,-i)|=18+11i is true of (A) x=1,y=2 (B) x=1,y=-1 (C) x=-1,y=1 (D) x=0,y=3