1.  4

2.  2

3.  1

4.  1/4

4

1/4

Explanation :
No Explanation available for this question

# If ѳ is the angle between the curves xy = 2 and x2 + 4y = 0 and x2 + 4y = 0, then tan  ѳ is equal to :

1.  1

2.  -1

3.  2

4.  3

4

3

Explanation :
No Explanation available for this question

# In the interval (- 3, 3) the function f(x) = x/3 + 3/x , x ≠ 0 is :

1.  increasing

2.  decreasing

3.  neither increasing nor decreasing

4.  partly increasing and partly decreasing

4

decreasing

Explanation :
No Explanation available for this question

# The perimeter of a sector is a constant. If its area is to be maximum, the sectorial angle is :

1.  πc/6

2.  πc/4

3.  4c

4.  2c

4

2<sup>c</sup>

Explanation :
No Explanation available for this question

1.  sin u

2.  tan u

3.  cos u

4.  cot u

4

tan u

Explanation :
No Explanation available for this question

1.  -1

2.  0

3.  1

4.  2

4

0

Explanation :
No Explanation available for this question

1.  2/3 cos-1 x

2.  (2/3)sin-1(x3/a3)

3.  (2/3)sin-1√(x3/a3)

4.  (2/3)cos-1(x/a)

4

(2/3)sin-1√(x3/a3)

Explanation :
No Explanation available for this question

1.  tan-1 (x+1)

2.  2tan-1 (x+1)

3.  -tan-1 (x+1)

4.  3tan-1 (x+1)

4

tan<sup>-1</sup> (x+1)

Explanation :
No Explanation available for this question

# Observe the following statements :

1.  Both A and R are true and R is not the correct reason for A

2.  Both A and R are true and R is the correct reason for A

3.  A is true, R is false

4.  A is false, R is true

4

A is true, R is false

Explanation :
No Explanation available for this question

1.  330

2.  331

3.  332

4.  333

4