If the roots of the equation 4x3-12x2+11 x + k = 0 are in arithmetic progression, then k is equal to :

1.  -3

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

-3


Explanation :
No Explanation available for this question

If f(x) is a polynomial of degree n with rational coefficients and 1+2i, 2-√3 and 5 are three roots of       f(x) = 0, then the least value of n is :

1.  5

2.  4

3.  3

4.  6

View Answer  
4
Correct Answer :

5


Explanation :
No Explanation available for this question

Element

1.  A-2, B-4, C-1, D-3

2.  A-4, B-2, C-1, D-3

3.  A-2, B-4, C-3, D-1

4.  A-4, B-1, C-2, D-3

View Answer  
4
Correct Answer :

A-4, B-2, C-1, D-3


Explanation :
No Explanation available for this question

1.  1992

2.  1993

3.  1994

4.  0

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

1.  0

2.  1

3.  2

4.  3

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

1.  1

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

1.  (9+6i)/13

2.  (9-6i)/13

3.  9+6i

4.  9-6i

View Answer  
4
Correct Answer :

(9+6i)/13


Explanation :
No Explanation available for this question

1.  -1

2.  1

3.  1 / √2

4.  i / √2

View Answer  
4
Correct Answer :

-1


Explanation :
No Explanation available for this question

If nεN, and the period of [cosnx/sin(x/n)] is 4π, then n is equal to

1.  4

2.  3

3.  2

4.  1

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

The expression tan 90– tan 270– tan 630is equal to :

1.  4

2.  3

3.  2

4.  1

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question
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