# If , then A =

1.  -1/2

2.  -1

3.  1/2

4.  1

4

-1/2

Explanation :
No Explanation available for this question

1.  (-1/4)cos 4x + c

2.  (1/8)cos 4x + c

3.  (1/4)sin 4x + c

4.  (-1/8)cos 4x + c

4

(-1/8)cos 4x + c

Explanation :
No Explanation available for this question

# The area (in square units) of the region bounded by the curves x = y2 and x =   3 - 2y2 is

1.  3/2

2.  2

3.  3

4.  4

4

4

Explanation :
No Explanation available for this question

# If y = (1+x)(1+x2)(1+x4).................(1+x2n)  , then (dy/dx)x=0   =

1.  0

2.  1/2

3.  1

4.  2

4

1

Explanation :
No Explanation available for this question

# If [x] denotes the greatest integer not exceeding x and if the function f defined by   f(x) = (a+2cos x) / x2 for x<0 ,  and f(x) = b tan π / [x+4] for x>0

1.  (-2 , 1)

2.  (-2,-1)

3.  (-1 , √3)

4.  (-2 , -√3)

4

(-2,-1)

Explanation :
No Explanation available for this question

# If f(x) = |x| + |sin x| for x Є( -π/2  , π/2) , then its left hand derivative at x =0 is

1.  0

2.  -1

3.  -2

4.  -3

4

-2

Explanation :
No Explanation available for this question

# If  y = logxe   / x   and  z = logxe , then  d2y / dx

1.  e-z

2.  2e-z

3.  ze-z

4.  -e-z

4

-e<sup>-z</sup>

Explanation :
No Explanation available for this question

# If 1o =α radians then the approximate value of cos (60o 1') is

1.  1/2 + α√3/120

2.  1/2 - α/120

3.  1/2 - α√3/120

4.  1/2 + α/120

4

1/2 - &#945;&#8730;3/120

Explanation :
No Explanation available for this question

# If

1.  0

2.  1

3.  1/n

4.  1/n+1

4

1/n

Explanation :
No Explanation available for this question

1.  14/3

2.  7/6

3.  14/9

4.  7/9

4