# The roots of ax2+3bx+c=0 are given by 3b=a+c

1.  1,c/a

2.  -1,c/a

3.  -1,-c/a

4.  1,-c/a

4

-1,-c/a

Explanation :
No Explanation available for this question

# The set of values of p for which 6 lie between the roots of the equation x2+2(p-3)x+9=0

1.  (3/4,∞)

2.  (-∞,-3/4)

3.  (-3/4,3/4)

4.  (3/4,3/4)

4

(-∞,-3/4)

Explanation :
No Explanation available for this question

# I:Maximum value of -5x2+2x+3 is 17/5 II:Minimum value of 3x2-7x+9 is 59/6 at x=-7/6

1.  Only I

2.  Only II

3.  Both I and II

4.  Neither I nor II

4

Neither I nor II

Explanation :
No Explanation available for this question

# The minimum value of x2-8x+17,∀x∈IR is

1.  17

2.  -1

3.  1

4.  2

4

1

Explanation :
No Explanation available for this question

# If x is real and 3+5x-2x2>0 then x lies in the interval

1.  (-1/2,3)

2.  [-1/2,3]

3.  (-∞,-1/2)

4.  (-∞,-1/2)(3,∞)

4

(-1/2,3)

Explanation :
No Explanation available for this question

1.  1

2.  3/2

3.  1/2

4.  2

4

1/2

Explanation :
No Explanation available for this question

# If α+β=-2 and α3+β3=-56 then the quadratic equation whose roots α,β is

1.  x2+2x-16=0

2.  x2+2x-15=0

3.  x2+2x+12=0

4.  x2+2x-8=0

4

x2+2x-8=0

Explanation :
No Explanation available for this question

# The number of real solutions of the equation x2-3|x|+2=0 is

1.  3

2.  2

3.  4

4.  1

4

4

Explanation :
No Explanation available for this question

1.  A = 2/3

2.  A = 1/3

3.  B = 5/3

4.  B = -5/3

4

B = 5/3

Explanation :
No Explanation available for this question

# If the quadratic equation (b2+c2)x2-2(a+b)cx+(c2+a2)=0 has equal roots,then

1.  a,b,c are in G.P

2.  a,c,b are in G.P

3.  a,c,b are in A.P

4.  a,b,c are in A.P

4