Advertisements
Advertisements
प्रश्न
Find the value of the discriminant in the following quadratic equation :
`4 sqrt 3 "x"^2 + 5"x" - 2 sqrt 3 = 0`
Advertisements
उत्तर
`4 sqrt 3 "x"^2 + 5"x" - 2 sqrt 3 = 0`
Discriminant = b2 - 4ac
= `(5)^2 - 4( 4 sqrt 3)(-2 sqrt 3)`
= 25+ 96
= 121
APPEARS IN
संबंधित प्रश्न
Find the nature of the roots of the following quadratic equation. If the real roots exist, find them:
2x2 - 6x + 3 = 0
In each of the following, determine whether the given numbers are roots of the given equations or not; x2 – x + 1 = 0; 1, – 1
In each of the following, determine whether the given numbers are roots of the given equations or not; x2 – 5x + 6 = 0; 2, – 3
Discuss the nature of the roots of the following quadratic equations : -2x2 + x + 1 = 0
Discuss the nature of the roots of the following quadratic equations : `2sqrt(3)x^2 - 5x + sqrt(3)` = 0
The roots of the equation 7x2 + x – 1 = 0 are:
If the equation x2 – (2 + m)x + (–m2 – 4m – 4) = 0 has coincident roots, then:
(x2 + 1)2 – x2 = 0 has ______.
The roots of the quadratic equation px2 – qx + r = 0 are real and equal if ______.
If the quadratic equation kx2 + kx + 1 = 0 has real and distinct roots, the value of k is ______.
