If Z = `x^2 - 7x - 9yi` such that `bar Z = y^2 i + 20i - 12` then the number of order pair (x,y) is :

xyz=24 , x,y,z in N. Then find the number of order pairs (x,y,z)

If (x^(4)+2x i)-(3x^(2)+yi)=(3-5i)+(1+2yi) then the number of ordered pairs (x, y) is/are equal to {AA x,y in R and i^(2)=-1}

Given that abs(z+i)=abs(z-i)=abs(z-1) and z=x+iy find number of pairs (x,y)

If 4 x^(2) + 9y^(2) + z^(2) + 49 = 12 ( x+ y + z) , then what is the value of (4x + 9y - z) ?

I. 20x^(2) - x - 12 = 0 II. 20y^(2) + 27y + 9 = 0

Let A=[(0, 2y,z),(x,y,-z),(x,-y,z)] such that A^(T)A=I , then the value of x^(2)+y^(2)+z^(2) is

Let A=[(x,y,z),(y,z,x),(z,x,y)] , where x, y and z are real numbers such that x + y + z > 0 and xyz = 2 . If A^(2) = I_(3) , then the value of x^(3)+y^(3)+z^(3) is__________.