# The area in the first quadrant enclosed by the axis,the line x=y√3 and the circle x2+y2=4 is

1.  π/2

2.  π/3

3.  π/4

4.  π/6

4

π/3

Explanation :
No Explanation available for this question

# The nth term of the serie3+7+13+21+…is

1.  4n-1

2.  n2+2n

3.  n2+n+1

4.  n2+2

4

n2+n+1

Explanation :
No Explanation available for this question

# 2(1-2sin2θ) cos 4θ=

1.  sin 6θ+cos 2θ

2.  sin 6θ+sin 2θ

3.  cos 6θ+cos 2θ

4.  cos 6θ+sin 2θ

4

cos 6θ+cos 2θ

Explanation :
No Explanation available for this question

# nth term of 3+5+9+17+…is

1.  2n-1

2.  (2+n)/n

3.  2n+1

4.  3+2n

4

2n+1

Explanation :
No Explanation available for this question

# The area common to the circle x2+y2=16a2 and the parabola y2=6ax is

1.  4a2(8π-√3)

2.

3.

4.  none

4

Explanation :
No Explanation available for this question

# cos 700+ sin 400=

1.  sin 100

2.  cos 100

3.  tan 100

4.  cot 100

4

cos 100

Explanation :
No Explanation available for this question

# 2+3+5+6+8+9+…..2n terms=

1.  3n2+2n

2.  4n2+2n

3.  4n2

4.  none

4

3n2+2n

Explanation :
No Explanation available for this question

# sin 750 +sin 150 =

1.  1/2

2.  √3/√2

3.  √3/2

4.  3/√2

4

√3/√2

Explanation :
No Explanation available for this question

# cos 250 - cos650=

1.  √2 cos 200

2.  √2 sin 200

3.  √3 cos 200

4.  √3 sin 200

4

√2 sin 200

Explanation :
No Explanation available for this question

1.  n=3

2.  n=1

3.  n3=3

4.  n=-1

4