Advertisements
Advertisements
प्रश्न
Find the value of the discriminant in the following quadratic equation:
2x2 - 3x + 1 = O
उत्तर
2x2 - 3x + 1 = O
Discriminant = b2 - 4ac
= (-3)2 - 4(2)(1)
= 9 - 8
= 1
APPEARS IN
संबंधित प्रश्न
Is the following situation possible? If so, determine their present ages. The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48.
Determine the nature of the roots of the following quadratic equation:
(x - 2a)(x - 2b) = 4ab
If x = −2 is a root of the equation 3x2 + 7x + p = 1, find the values of p. Now find the value of k so that the roots of the equation x2 + k(4x + k − 1) + p = 0 are equal.
48x² – 13x -1 = 0
Find the value of k for which the following equation has equal roots:
(k − 12)x2 + 2(k − 12)x + 2 = 0.
Find the value of k for which the given equation has real roots:
kx2 - 6x - 2 = 0
The roots of the quadratic equation `2"x"^2 - 2sqrt2"x" + 1 = 0` are:
Find whether the following equation have real roots. If real roots exist, find them.
8x2 + 2x – 3 = 0
The number of integral values of m for which the equation (1 + m2)x2 – 2(1 + 3m)x + (1 + 8m) = 0 has no real root is ______.
If one root of the quadratic equation x2 + 12x – k = 0 is thrice the other root, then find the value of k.
