# The smallest value of x2-3x+3 in the interval(-3,3/2) is equal to:

1.  -20

2.  -15

3.  3/4

4.  5

4

3/4

Explanation :
No Explanation available for this question

# The circles x2+y2-4x+6y+8=0 and x2+y2-10x-6y+14=0,touch

1.  externally

2.  internally

3.  intersect

4.  do not touch

4

externally

Explanation :
No Explanation available for this question

# The inverse element of ω2 in the multiplicative catine group {1,ω,ω2}where ω is the cube roots of unity,is:

1.  1

2.  ω

3.  ω2

4.  ω3

4

ω

Explanation :
No Explanation available for this question

# Derive sec-1(1/2x2-1) with respect to √(1+3x) at x =-1/3

1.  does not exist

2.  1/2

3.  1/3

4.  none of these

4

none of these

Explanation :
No Explanation available for this question

# The vector area of triangle whose two sides are given by

1.  17/4 sq units

2.  17/2 sq units

3.  17 sq units

4.  none of these

4

none of these

Explanation :
No Explanation available for this question

1.

2.

3.

4.  none of these

4

none of these

Explanation :
No Explanation available for this question

# If one root of the equation ax2 + bx+ c=0 where a, b, c are integers is √5+3, then the other root is

1.  √5-3

2.  3-√5

3.  -3-√5

4.  2√5+3

4

3-√5

Explanation :
No Explanation available for this question

# If α,β,γ are the roots of 7x3+x-11=0 then the equation whose roots are –α,-β,-γ is

1.  7x3+x-11=0

2.  7x3+x+11=0

3.  7x3-x-11=0

4.  7x3-x+11=0

4

7x3+x+11=0

Explanation :
No Explanation available for this question

# The equation whose are multiplied by -3 those of 9x3-6x2+5x-4=0

1.  x3-2x2-5x+12=0

2.  x3+2x2+5x+12=0

3.  x3-2x2+5x+12=0

4.  x3+2x2-5x+12=0

4

x3+2x2+5x+12=0

Explanation :
No Explanation available for this question

1.  -1/3,2/3,1

2.  -2,4,6

3.  -3,6,90

4.  -1,2,3

4