Anonymous

v . v = <6, 2> . <6, 2> = 6 * 6 + 2 * 2 = 40

Anonymous

v X v = 0________by definition.

Anonymous

The scalar (or Dot) product is: (6i + 2j)•(6i + 2j) = 6*6 + 2*2 = 40

Anonymous

v·v = (6)(6) + (2)(2) = 40 Spell it scalar. A scaler is one of the blades you would find on a fishing knife.

Anonymous

Scalar product of two vectors is their magnitudes multiplied together times the cosine of the angle between them. Since the angle between the vector v and itself is, well, 0, then we have (magnitude of v)^2 * cos0 = (6^2 + 2^2)*1= 40