If ∝ and β be the roots of the equation (x - a) (x - b) = c, c ≠ 0, then the roots of the equation (x - ∝)(x - β) + c = 0 are
a and c
b and c
a and b
(a + b) and (b + c)
The non zero root of the equation x (x - 6) = 0 is
-6
3
6
-3
If the equation 2x2 + 3x + k = 0 has only one solution then k =
-9/8
9/8
0
2
The roots for the equation a(x2 + 1) - (a2 + 1) x = 0 are
a and 1/a
a and 1/2 a
a and 2 a
a and -2 a
The no.of real roots of the equation x2 - 3|x| + 2 = 0 are
4
1
The no. of solution for the equation x2 - 5 |x| + 6 = 0 is
The root of quadratic equation x2 - 4 x + 2 = 0 are
±√2
1±√2
2±√2
3±2√2
Find the value of k for which the equation 4 x2 - 12 x + k = 0 has equal roots
8
7
9
If the equation m x2 - 4 x + 2 (m + 1) = 0 has real roots, then the value of m is
-2 ≤ m ≤ 1
-1 ≤ m ≤ 1
2 ≤ m ≤ 3
None of these