1
If one root of the equation (ax^2 + bx + c = 0) is the square of the other, then (a(c-b)^3 = cX), wh ...
2
If (x^2 + px + 1) is a factor of the expression (ax^3 + bx + c), then: ...
3
Sum of the non-real roots of ( (x^2 + x - 2)(x^2 + x - 3) = 12 ) is: ...
4
If ( (ax^2 + c)y + (a'x^2 + c') = 0 ) and ( x ) is a rational function of ( y ) and ( ac ) is negati ...