# If a ≠ p, b ≠ q, c ≠ r and is equal to

1.  0

2.  1

3.  2

4.  3

4

2

Explanation :
No Explanation available for this question

# The number of solutions of the system of equations 2x+y-z =7,x-3y+2z =1,x+4y-3z =5 is

1.  0

2.  1

3.  2

4.  3

4

0

Explanation :
No Explanation available for this question

# then B is equal to

1.  (2n+1)π/2

2.  (2n+1)π

3.  nπ

4.  2nπ

4

(2n+1)π/2

Explanation :
No Explanation available for this question

# If the amplitude of z-2-3i is π/4,then the locus of z = x+iy,is

1.  x+y-1=0

2.  x-y-1=0

3.  x+y+1=0

4.  x-y+1=0

4

x-y+1=0

Explanation :
No Explanation available for this question

# If ω is a complex cube root of unity,then 225+(3ω+8ω2)2+(3ω2+8ω)2 ids equal to

1.  72

2.  192

3.  200

4.  248

4

248

Explanation :
No Explanation available for this question

# If sin6θ =32 cos5θsinθ-32cos3θsinθ+3x,then x is equal to

1.  cos θ

2.  cos 2θ

3.  sin θ

4.  sin 2θ

4

sin 2&#952;

Explanation :
No Explanation available for this question

# The period of the function f(θ) = sin(θ/3)+cos(θ/2) is

1.  3π

2.  6π

3.  9π

4.  12π

4

12&#960;

Explanation :
No Explanation available for this question

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

1.  0

2.  1/2

3.  1

4.  4cos α cos β cos γ

4

0

Explanation :
No Explanation available for this question

# The value of cos(2π/15) cos (4π/15) cos (8π/15) cos (14π/15) is

1.  1/16

2.  1/8

3.  1/12

4.  1/4

4

1/16

Explanation :
No Explanation available for this question

# If A+B+C=2700,then cos2A+cos2B+cos2C is equal to

1.  1-4cosAcosBcosC

2.  1-4sinAsinBsinC

3.  4cosAcosBcosC

4.  4sinAsinBsinC

4