In equation `x^4-2x^3+4x^2+6x-21=0` if two its roots are equal in magnitude but opposite e in find the roots.

In equation x^4-2x^3+4x^2+6x-21=0 if two of its roots are equal in magnitude but opposite in sign find the roots.

In equation x^4-2x^3+4x^2+6x-21=0 if two its roots are equal in magnitude but opposite in sign, find all the roots.

In equation x^4-2x^3+4x^2+6x-21=0 if two its roots are equal in magnitude but opposite in sign, find all the roots.

if the equation 8^(4)-2x^(3)-27x^(2)+6x+9=0 have the roots alpha and beta equal in magnitudes but opposite in sign then 4r^(2)+s^(2)=( where r and s are other roots,r>s)

The value of m for which the equation x^(3)-mx^(2)+3x-2=0 has two roots equal rea magnitude but opposite in sign,is

The value of m for which the equation x^3-mx^2+3x-2=0 has two roots equal rea magnitude but opposite in sign, is

If the equation : (a +1) x^2 -(a+2)x+(a+3)=0 has roots equal in magnitude but Opposite in signs, then the roots of the equation are:

The value of m for which the equation x^(3) + x + 1 = 0 . Has two roots equal in magnitude but opposite in sign, is :

If two roots of the equation x^3 - px^2 + qx - r = 0 are equal in magnitude but opposite in sign, then: