# If x2+6x-27>0, -x2+3x+4>0, then x lies in the interval:

1.  (3, 4)

2.  (-3, 4)

3.  (-∞, 3)∪(4, ∞)

4.  (-4, 3)

4

(3, 4)

Explanation :
No Explanation available for this question

# If (3 + 4i) is a root of x2+px+q=0, then (p, q) is:

1.  (6, 25)

2.  (-6, -7)

3.  (6, 1)

4.  (-6, 25)

4

(-6, 25)

Explanation :
No Explanation available for this question

# Area bounded by the curves y=x and y=x3 is:

1.  1/4 sq unit

2.  1/6 sq unit

3.  1/12 sq unit

4.  1/2 sq unit

4

1/4 sq unit

Explanation :
No Explanation available for this question

# The area in square units bounded by the x-axis,part of the curve y=1+8/x2 and the co-ordinates as x=2 and x=4 is:

1.  2 sq unit

2.  3 sq unit

3.  4 sq unit

4.  5 sq unit

4

5 sq unit

Explanation :
No Explanation available for this question

# If z=eax+bf(ax-by), then b(∂z/∂x)+a(∂z/∂y) is equal to:

1.  0

2.  abz

3.  2abz

4.  z

4

2abz

Explanation :
No Explanation available for this question

# cosα sin(β-γ)+cosβ sin(γ-α)+cosγ sin(α-β) is:

1.  1

2.  0

3.  1/2

4.  4cosα cosβ cosγ

4

0

Explanation :
No Explanation available for this question

# cos(α+β+γ)+cos(α-β-γ)+cos(β-γ-α)+cos(γ-α-β) is equal to:

1.  2cosα cosβ cosγ

2.  3cosα cosβ cosγ

3.  4cosα cosβ cosγ

4.  6cosα cosβ cosγ

4

4cos&#945; cos&#946; cos&#947;

Explanation :
No Explanation available for this question

# If √3 cosθ-sinθ=1, then θ is:

1.  π

2.  π/2

3.  π/3

4.  π/6

4

&#960;/6

Explanation :
No Explanation available for this question

# If then x is:

1.  2

2.  3

3.  5

4.  6

4

5

Explanation :
No Explanation available for this question

1.  1

2.  0

3.  γ2

4.  4γ2

4