If α and β (α < β) are roots of the equation where c < 0 < b then
a) 0 < α < β
b) α < 0 < β < | α |
c) α < β < 0
d) α < 0 < | α | < β
Your Answer
Let a, b, c be real numbers, a ≠ 0. If α is a root of β is a root of and 0 < α < β then the equation has a root γ that always satisfies
a) γ =
b) γ =
c) γ = α
d) α < γ < β
Let α, β be roots of the equation (x – a) (x – b) = c, c ≠ 0. Then the roots of the equation (x – α) (x – β) + c = 0 are
a) a, c
b) b, c
c) a, b
d) a + c, b + c
The expression is a polynomial of degree
a) 5
b) 6
c) 7
d) 8
The number of points of intersection of the two curves y = 2sinx and y = is
a) 0
b) 1
c) 2
d)
If p, q, r are positive and are in arithmetic progression the roots of the quadratic are all real for
a)
b)
c)
The equation has
a) No solution
b) One solution
c) Two solutions
d) More than two solutions
The roots of the equation are real and less than 3, then
a) a < 2
b) 2 < a < 3
c) 3 ≤ a ≤ 4
d) a > 4
If a, b, c, d are positive real numbers such that a + b + c + d = 2 then M = ( a + b ) ( c + d ) satisfies
a) 0 ≤ M ≤ 1
b) 1 ≤ M ≤ 2
c) 2 ≤ M ≤ 3
d) 3 ≤ M ≤ 4
For the equation if one of the roots is square of the other then p is equal to
c) 3
For all x ε ( 0, 1 )
b) ln (1 + x) < x
c) sinx > x
d) lnx > x
Let α, β be the roots of and γ, δ roots of . If α, β, γ, δ are in geometric progression then the integral values of p and q respectively are
a) −2, −32
b) −2, 3
c) −6, 3
d) −6, −32
Let f(x) = and m(b) be the minimum value of f(x). As b varies, range of m(b) is
b) [ 0,
c) [
The number of solutions of is
a) 3
d) 0
The number of values of k for which the system of equations
(k + 1) x + 8y = 4k
kx + ( k + 3 ) y = 3k – 1
has infinitely many solutions is
d) Infinity
If are positive real numbers whose product is a fixed number c then the minimum value of is
The set of all real numbers x for which is
If ε then is always greater than or equal to
a) 2 tan
For all x, then the interval in which a lies is
a) a <
If one root is square of the other root of the equation then the relation between p and q is
The second degree polynomial satisfying f (0) = 0, f (1) = 1, for all x ε [0, 1] is
b) No such polynomial
Let a, b, c be the sides of a triangle where a ≠ c and λ ε R. If roots of the equation are real then
Let α, β be roots of the equation are the roots of the equation then the value of r is equal to
Multiple choices
For real x, the function will assume all real values provided