Find the value of k for which the equation 4 x2 - 12 x + k = 0 has equal roots
8
6
7
9
The no. of solution for the equation x2 - 5 |x| + 6 = 0 is
4
3
2
1
The roots of the equation x4 - 8 x2 - 9 = 0 are
±5 and ±1
±4 and ±1
±3 and ±i
±2 and ±i
If 3 + 4 i is a root of the equation x2 + p x + q = 0, then
p = 6 and q = 25
p = 6 and q = 1
p = -6 and p = -7
p = -6 and q = 25
Let p, q ∈{1, 2, 3, 4, 5}. The no. of equations of the form p x2 + q x + 1 = 0, having real root is
15
Find the discriminant of the quadratic equation 5 x2 + 12 x - 9 = 0
224
324
342
424
If x2 - 3 x + 2 be one of the factors of the expression x4 - p x2 + q, then
p = 4 and q = 5
p = 5 and q = 4
p = -5 and q = -4
p = -4 and q = -5
The no.of real roots of the equation x2 - 3|x| + 2 = 0 are
The non zero root of the equation x (x - 6) = 0 is
-6
-3
