" If the two roots of the eauaton,"x^(3)-px^(2)+qx-r=0" are equal in magnitude but oppositve in "

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

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

If the roots of the equation x^(3) - px^(2) + qx - r = 0 are in A.P., then

If the roots of the equation x^(3) - px^(2) + qx - r = 0 are in A.P., then

Find k so that the roots of the equation (x^(2)-qx)/(px-r) = (k-1)/(k+1) may be equal in magnitude but opposite in sign.

Find the conditions if roots of the equation x^(3)-px^(2)+qx-r=0 are in (i) AP

If the roots of the equation px^(2)+qx+r=0 are in the ratio l:m then

If the sum of two roots of the equation x^3-px^2 + qx-r =0 is zero, then:

find the condition that x^3 -px^2 +qx -r=0 may have two roots equal in magniude but of opposite sign