1.  tan-1(4)

2.  tan-1 (1/4)

3.  (π/2)+tan-1(4)

4.  (π/2)+ tan-1 (1/4)

4
Correct Answer :

tan-1(4)


Explanation :
No Explanation available for this question

1.  sin-1(√(1/3)

2.  tan-1√2

3.  tan-1(1/√2)

4.  cos-1(1/3)

4
Correct Answer :

tan-1√2


Explanation :
No Explanation available for this question

1.  0

2.  u

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  ax2+x(4a-b)+4a+c=0

2.  ax2+x(4a-b)+4a+2b+c=0

3.  ax2+x(b-4a)+4a+2b+c=0

4.  ax2+x(b-4a)+4a-2b+c=0

4
Correct Answer :

ax2+x(b-4a)+4a-2b+c=0


Explanation :
No Explanation available for this question

1.  0

2.  ac

3.  a+c

4.  a-c

4
Correct Answer :

ac


Explanation :
No Explanation available for this question

1.  5

2.  4

3.  3

4.  6

4
Correct Answer :

5


Explanation :
No Explanation available for this question

1.  x4-6x3+8x2+2x-1=0

2.  x4-9x3+27x2-33x+14=0

3.  x4-10x3+44x2-106x+91=0

4.  x4-6x3+4x2+54x-117=0

4
Correct Answer :

x4-10x3+44x2-106x+91=0


Explanation :
No Explanation available for this question

1.  Null matrix

2.  Non-singular matrix

3.  singular matrix

4.  Unit matrix

4
Correct Answer :

singular matrix


Explanation :
No Explanation available for this question

1.  -b3

2.  b3-3c

3.  b2-3c

4.  0

4
Correct Answer :

0


Explanation :
No Explanation available for this question

1.  -1

2.  1 or 2

3.  1

4.  2

4
Correct Answer :

-1


Explanation :
No Explanation available for this question

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