1.The locus of the point P=(a,b)P = (a, b)P=(a,b) where a,ba, ba,b are real numbers such that the roots of x3+ax2+bx+a=0x^3 + ax^2 + bx + a = 0x3+ax2+bx+a=0 are in arithmetic progression isa.an ellipseb.a circlec.a parabola whose vertex is on the yyy-axisd.a parabola whose vertex is on the xxx-axisLogin to continueOnly logged in users canattempt or see the solution.
