351.

• -5

• -3

• 5

• 5

The vector  are not perpendicular  and  are two vectors satisfying:  The vector  is equal to

The circle x²+ y² = 4x + 8y + 5 intersects the line 3x – 4y = m at two distinct points if

• -85 < m < -35

• -35 < m < 15

• 15 < m < 65

• 15 < m < 65

Let  and . Then, the vector b satisfying a x b + c = 0  and a.b  = 3

If the vectors  are mutually orthogonal, then (λ,μ) is equal to

• (-3,2)

• (2,-3)

• (-2,3)

• (-2,3)

• 1/8

• 25/8

• 2

• 2

If  are non–coplanar vectors and p, q are real numbers, then the equality  holds for

• exactly one value of (p, q)

• exactly two values of (p, q)

• more than two but not all values of (p, q)

• more than two but not all values of (p, q)

If , then the maximum value of |Z| is equal to

• 
• 

• 2

• 2

The vector  lies in the plane of the vectors  and bisects the angle between .Then which one of the following gives possible values of α and β?

• α = 2, β = 2

• α = 1, β = 2

• α = 2, β = 1

• α = 2, β = 1

The non−zero verctors are related by .Then the angle between  is

• 0

• π/4

• π/2

• π/2