The sum of all the roots of the equation is
(a) (b) (c) (d)
If the orthocentre of the triangle, whose vertices are (1, 2), (2, 3) and (3, 1) is , then the quadratic equation whose roots are and , is
(a) (b)
(c) (d)
Let and The and are roots of the equation
(a) (b)
(c) (d)
Let be a real number. Let be the roots of the equation and be the roots of the equation
Then and are the roots of the equation
(a) (b)
(c) (d)
Let and let be the roots of the equation
If then the product of all possible values of a is __________ .
(a) 45 (b) 30 (c) 50 (d) 78
Let be the roots of the equation and
Then is equal to _________ .
If the value of real number a > 0 for which and have a common real root is then is equal to ____________ .
Let be the three roots of the equation If then is equal to
(a) (b) (c) (d)
Let be the roots of the quadratic equation Then is equal to
(a) 729 (b) 9 (c) 81 (d) 72
Let be the roots of the equation Then is equal to
(a) (b) (c) (d)
Let . Then is equal to
(a) 2 (b) 4 (c) 0 (d) 6
The number of real solutions of the equation is
(a) 4 (b) 3 (c) 2 (d) 0
The number of real roots of the equation is
(a) 2 (b) 3 (c) 1 (d) 0
The equation has
(a) four solutions two of which are negative
(b) two solutions and both are negative
(c) no solution
(d) two solutions and only one of them is negative
If a and b are the roots of the equation then the value of is equal to ________ .
The number of points, where the curve cuts x-axis, is equal to ________ .
The set of all for which the equation has exactly one real root, is
(a) (b) (c) (d)
The number of real roots of the equation , is
(a) 5 (b) 3 (c) 4 (d) 6
The number of integral values of k, for which one root of the equation lies in the
interval (1, 2) and its other root lies in the interval (2, 3), is
(a) 2 (b) 0 (c) 1 (d) 3
Let and be the numbers of real roots of the quadratic equations and respectively, where [x] denotes the greatest integer Then is equal to __________ .
Let Then the maximum value of for which the equation
has real roots, is _________ .