Advertisements
Advertisements
प्रश्न
` 2x^2-7x+6=0`
उत्तर
` 2x^2-7x+6=0`
Here,
a=2,
b=-7,
c=6
Discriminant D is diven by:
`D=b^2-4ac`
=`(-7)^2-4xx2xx6`
=`49-48`
=`1`
APPEARS IN
संबंधित प्रश्न
Write the discriminant of the following quadratic equations:
2x2 - 5x + 3 = 0
In the following, determine whether the given quadratic equation have real roots and if so, find the roots:
x2 + x + 2 = 0
In the following, determine whether the given quadratic equation have real roots and if so, find the roots:
x2 - 2x + 1 = 0
`2x^2+x-6=0`
`2x^2+ax-a^2=0`
`x^2+5x-(a^+a-6)=0`
`5x^2-4x+1=0`
Find the value of p for which the quadratic equation `(2p+1)x^2-(7p+2)x+(7p-3)=0` has real and equal roots.
Find the values of k for which the given quadratic equation has real and distinct roots:
`9x^2+3kx+4=0`
Find the values of k for which the given quadratic equation has real and distinct root:
`5x^2-kx+1=0`
