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
Solve the following quadratic equation by using formula method: 5m2 + 5m – 1 = 0
Without solving, examine the nature of roots of the equation 2x2 – 7x + 3 = 0
Find the values of k for which the roots are real and equal in each of the following equation:
`kx^2-2sqrt5x+4=0`
Find the value of k for which the roots are real and equal in the following equation:
3x2 − 5x + 2k = 0
Solve the following quadratic equation using formula method only
`5/4 "x"^2 - 2 sqrt 5 "x" + 4 = 0`
Find the value(s) of p for which the quadratic equation (2p + 1)x2 – (7p + 2)x + (7p – 3) = 0 has equal roots. Also find these roots.
(x2 + 1)2 – x2 = 0 has:
Find the roots of the quadratic equation by using the quadratic formula in the following:
5x2 + 13x + 8 = 0
Find the roots of the quadratic equation by using the quadratic formula in the following:
`x^2 - 3sqrt(5)x + 10 = 0`
For the roots of the equation a – bx – x2 = 0; (a > 0, b > 0), which statement is true?
