The roots of the equation 9x2 -bx+81 =0 will be equal , if the value of b is
The roots of the equation 9x2 -bx+81 =0 will be equal , if the value of b is Correct Answer ±54
The roots of the equation 9x2 -bx+81 =0 will be equal , if the value of b is Correct Answer ±54