Quadratic EquationHard
Question
If the quadratic equations 3x2 + ax +1 = 0 and 2x2 + bx + 1 = 0 have a common root,then the value of the expression 5ab −2a2 − 3b2 is-
Options
A.0
B.1
C.−1
D.None of these
More Quadratic Equation Questions
Let $axx^{2} + bx + c$ is integer for all integral values of x , then which of the following must be true ?...If (1 - p) is a root of quadratic equation x2 + px + (1 - p) = 0, then its roots are...The sum of the roots of a equation is 2 and sum of their cubes is 98, then the equation is -...If the two equations x2 − cx + d = 0 and x2 − ax + b = 0 have one common root and the second has equal roots...If one of the roots of x2 + ax + bc = 0 and x2 + bx + ca = 0 is common, then their other roots are -...