Quadratic EquationHard
Question
If the roots of the equation x2 − 10 x + 21 =m are equal then m is -
Options
A.4
B.25
C.− 4
D.0
More Quadratic Equation Questions
If α and β are the roots of x2 + px + q = 0 and α4, β4 are the root of x2 - rx + s = 0,then the equa...If real value of x and y satisfies the equation x2 + 4y2 − 8x + 12 = 0, then -...The number of values of k, for which the system of equations :(k + 1)x + 8y = 4kkx + (k + 3)y = 3k - 1has no solution, i...If the sum of the roots of ax2 + bx + c = 0 be equal to sum of the squares, then -...Let the equation $x^{n} + {px}^{2} + qx + r = 0$, where $n \geq 6,r \neq 0$ has roots $\alpha_{1},\alpha_{2},\alpha_{3},...