Mathematics
Find using the quadratic formula, the roots of the following quadratic equations, if they exist
x2 + 4x + 5 = 0
Related Questions
Solve :
(a + b)2x2 - (a + b)x - 6 = 0; a + b ≠ 0.
Without solving the following quadratic equation, find the value of 'm' for which the given equation has real and equal roots.
x2 + 2(m - 1)x + (m + 5) = 0
Find the value of k for which equation 4x2 + 8x - k = 0 has real roots.
If -2 is a root of the equation 3x2 + 7x + p = 1, find the value of p. Now find the value of k so that the roots of the equation x2 + k(4x + k - 1) + p = 0 are equal.