Consider the cubic equation `x^3 +px^2 +qx +r=0`, where p, q, r are real numbers, which of the following statement is correct?

Consider the cubic equation x^(3)+px^(2)+qx+r=0, where p,q, are real numbers,which of the following statement is correct?

Consider the cubic equation x^(3)+ax^(2)+bx+c=0, where a,b,c are real numbers,which of the following statements is correct?

The roots of the equation (x-p) (x-q)=r^(2) where p,q , r are real , are

If one of the roots of the equation px^(2)+qx+r=0 is three times the other, then which one of the following relations is correct ?

If the equations x^2+px+q=0 and x^2+qx+p=0 have a common root, which of the following can be true?

If the equations x^(2) -px +q=0 and x^(2)+qx-p=0 have a common root, then which one of the following is correct?