Advertisements
Advertisements
Question
Determine the nature of the roots of the following quadratic equation:
`3x^2-2sqrt6x+2=0`
Solution
The given quadric equation is `3x^2-2sqrt6x+2=0`
Here, a = 3, `b=-2sqrt6` and c = 2
As we know that D = b2 - 4ac
Putting the value of a = 3, `b=-2sqrt6` and c = 2
`D = (-2sqrt6)^2-4xx3xx2`
= 24 - 24
= 0
Since, D = 0
Therefore, root of the given equation are real and equal.
APPEARS IN
RELATED QUESTIONS
Determine the nature of the roots of the following quadratic equation:
(b + c)x2 - (a + b + c)x + a = 0
Find the values of k for which the roots are real and equal in each of the following equation:
9x2 - 24x + k = 0
Solve the following quadratic equation using formula method only
5x2 - 19x + 17 = 0
Solve the following quadratic equation using formula method only
25x2 + 30x + 7 = 0
Solve the following quadratic equation using formula method only
16x2 - 24x = 1
Find the value of k for which the roots of the equation 3x2 -10x +k = 0 are reciprocal of each other.
Find if x = – 1 is a root of the equation 2x² – 3x + 1 = 0.
The value of k for which the equation x2 + 2(k + 1)x + k2 = 0 has equal roots is:
Let p be a prime number. The quadratic equation having its roots as factors of p is ______.
Find the discriminant of the quadratic equation `3x^2 - 2x + 1/3` = 0 and hence find the nature of its roots.