Solve the system of equations Re(`z^2`) = 0, `abs(z)` = 2

Solve the equation abs(z) = z+1+2i

The value of for which the system of equations ax +y+z=0,x+ay+z=0,x+y+z=0 possess a non-null solution is

If z is a complex number in the argand plane then the equation abs(z-2)+abs(z+2) = 8 represents

Select the correct options from the given alternatives.The value of a for which system of equation a^3x+(a+1)^3y+(a+2)^3z=0, ax+(a+1)y+(a+2)z=0 and x+y+z=0 has non zero solution is

Express the following equation in matrix form and solve them by the method of reduction: x+2y+z = 8 , 2x+3y-z = 11 and 3x-y-2z = 5 .

Express the following equation in matrix form and solve them by the method of reduction: 4x+2y-z =3 , x-2y+z = -8 , 2x-y+z = -7 ,

Express the following equation in matrix form and solve them by the method of reduction: x+y+z = 1 , 2x-y+7z = 7 , 3x+y+2z = 2

Express the following equation in matrix form and solve them by the method of reduction: 2x-y+z = 1 , x+2y+3z = 8 and 3x+y-4z = 1