2.1 – UT
№1. Given: α; β; γ; δ; k; t; φ; λ; μ; ν; τ.
Find: a) (λa μb) (νa τb); b) PRb (νa τb); c) cos (a; τb)
№2. According to the given coordinates of points A, B, C: a) the modulus of the vector a; b) scalar product of vectors a and b; c) the projection of the vector c on the vector d; d) the coordinates of the point M, which divides the segment L in the ratio α: β

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