If A is a square matrix such that, then det (adj A) is equal to

1.  4

2.  16

3.  64

4.  256

View Answer  
4
Correct Answer :

16


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If f: N→ Z is defined by

1.  {3 ,6, 4}

2.  {1 ,4, 7}

3.  {4, 7}

4.  {7}

View Answer  
4
Correct Answer :

{1 ,4, 7}


Explanation :
No Explanation available for this question

The function f:R→R is defined by f(x)=3-x. Observe the following statements of it : I. f is one-one II. f is onto

1.  only I,II

2.  only II,III

3.  only I,III

4.  I,II,III

View Answer  
4
Correct Answer :

only I,II


Explanation :
No Explanation available for this question

The binomial coefficients which are in decreasing order are :

1.  15C5, 15C6, 15C7

2.  15C10, 15C9, 15C8

3.  15C6, 15C7, 15C8

4.  15C7, 15C6, 15C5

View Answer  
4
Correct Answer :

15C7, 15C6, 15C5


Explanation :
No Explanation available for this question

if x-4/x2-5x+6 can be expanded in the ascending powers of x, then the coefficient of x3is:

1.  -73/648

2.  73/648

3.  71/648

4.  -71/648

View Answer  
4
Correct Answer :

-73/648


Explanation :
No Explanation available for this question

If (x+1)/(2x-1)(3x+1)=A/(2x-1)+B/(3x+1), then 16A+9B is equal to :

1.  4

2.  5

3.  6

4.  8

View Answer  
4
Correct Answer :

6


Explanation :
No Explanation available for this question

The value of the series x logea+ x3/3! (logea)3+x5/5! (logea)5+...... is

1.  cosh (x logea)

2.  coth (x logea)

3.  sinh (x logea)

4.  tanh (x logea)

View Answer  
4
Correct Answer :

sinh (x logea)


Explanation :
No Explanation available for this question

The set of all solutions of the inequation x2-2x+5

1.  R-(-∞,-5)

2.  R-(5,∞)

3.  Φ

4.  R-(-∞,-4)

View Answer  
4
Correct Answer :

Φ


Explanation :
No Explanation available for this question

If the position vectors of is equal to

1.  √14

2.  √29

3.  √43

4.  √53

View Answer  
4
Correct Answer :

√53


Explanation :
No Explanation available for this question
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