1.  -1/2

2.  -1/3

3.  1/2

4.  1/3

View Answer  
4
Correct Answer :

1/2


Explanation :
No Explanation available for this question

The point of intersection of the pair of lines x2+xy+2y2-5x+2y+4=0 is:

1.  (1, 2)

2.  (-1, 2)

3.  (-2, 1)

4.  (22/7, -9/7)

View Answer  
4
Correct Answer :

(22/7, -9/7)


Explanation :
No Explanation available for this question

If one root of the quadratic equation ax2+bx+c=0 is 3-4i, then a+b+c is :

1.  40

2.  36

3.  -20

4.  20

View Answer  
4
Correct Answer :

20


Explanation :
No Explanation available for this question

If the volume of the tetrahedron with edgesis one cubic unit, then a is:

1.  1

2.  -1

3.  2

4.  -2

View Answer  
4
Correct Answer :

-2


Explanation :
No Explanation available for this question

If the three vectors

1.  2

2.  3

3.  -4

4.  4

View Answer  
4
Correct Answer :

-4


Explanation :
No Explanation available for this question

Cos23π/5 + Cos24π/5 is equal to

1.  4/5

2.  5/2

3.  5/4

4.  3/4

View Answer  
4
Correct Answer :

3/4


Explanation :
No Explanation available for this question

is equal to:

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

|x|

1.  2/3

2.  4/3

3.  -(2/3)

4.  -(4/3)

View Answer  
4
Correct Answer :

-(2/3)


Explanation :
No Explanation available for this question

If a < 0 < b then

1.  a - b

2.  b - a

3.  a + b

4.  - a - b

View Answer  
4
Correct Answer :

a + b


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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