1.   y4 + 4y2 + 1 =0

2.  y4 - 24y2 + 65y - 55 =0

3.  y4 - 4y2 + 1 =0

4.  y4 + 4y2 - 1 =0

4

y4 - 4y2 + 1 =0

Explanation :
No Explanation available for this question

1.   4/3

2.  4/5

3.  -4/3 or -3/4

4.  4/3 or 3/4

4

-4/3 or -3/4

Explanation :
No Explanation available for this question

1.   Right angled

2.  Acute angled

3.  Obtuse angled

4.  Equilateral angled

4

Acute angled

Explanation :
No Explanation available for this question

1.   ½ Tan22θ

2.  ¼ cos2θ

3.  4 cot22θ

4.  3sin2θ

4

3sin2θ

Explanation :
No Explanation available for this question

# Match the following

1.  abc

2.  cab

3.  bac

4.  cab

4

bac

Explanation :
No Explanation available for this question

# A letter is taken out at random from ‘ASSISTANT’ and another taken out from ‘STATISTICS’. The propability that they are the same letters is

1.  1/45

2.  13/90

3.  19/90

4.  17/90

4

19/90

Explanation :
No Explanation available for this question

# The number of real solutions of

1.  0

2.  infinite

3.  1

4.  2

4

2

Explanation :
No Explanation available for this question

# If Sinx Sinhy= cos θ and Cosx Coshy= Sinθ, then Cosh2y + Cos2x

1.  -1

2.  0

3.  1

4.  2

4

2

Explanation :
No Explanation available for this question

1.   12 + 2√13

2.  2 - 2√3

3.  2 + 2√3

4.  2√3 – 2

4

12 + 2√13

Explanation :
No Explanation available for this question

1.   2 : 1 : 3

2.  3 : 2 : 1

3.  1 : 3 : 2

4.  1 : 2: 3

4