if b = ( ) then which of the following is correct

Let u , v be two vectors. Which of the following is correct? => ( u + v ) is a vector or u · v is a scalar or u · v is a vector or Both A and B..

If f is a function from set A to set B, then which of the following is correct? => A is called domain of f and B is called codomain of f or A is called range of f and B is called domain of f or A is called codomain of f and B is called dom..

Let u , v be any two nonzero vectors. Which of the following is correct? => u · v is maximum if the angle between u , v is 180°. or u · v is minimum if the angle between u , v is 0°. or u · v is independent of the angle between u , v . or u · ..

Which of the following is correct for a vector u of a plane? => u = ( u · i ) + ( u · j ) or u = ( u · i ) j + ( u · j ) i or u = ( u · j ) i or u = ( u · i ) i + ( u · j ) j..

Let u = < 6, 8 >, v = < 12, 16 >. Which of the following is correct? => Angle between u , v = 30° or u , v are parallel vectors or u , v are orthogonal vectors or Angle between u , v = 45°..

Which of the following is correct? => B or A or D or C..

Which of the following is correct? => Equivalent directed line segments have the same direction. or Equivalent directed line segments have the same length. or Equivalent directed line segments have different directions. or Both (A) and (B)..

Choose the correct mathematical expression for the following verbal description. Tom has to earn atleast $25 per day. => x > 25 or x ≤ 25 or x < 25 or x ≥ 25..

A, B, C, D are points on a line L as shown. If A′ is the reflection of A in line L, then which of the following is correct? => A′ = C or A′ = A or A′ = B or A′ = D..

Which of the following is correct? => The magnitude of unit vector of a vector is not equal to 1. or The magnitude of unit vector of a vector is equal to -1. or The direction of unit vector of a vector v is opposite to the direction of v . or The direction of unit vector of a ve..