IDZ Ryabushko 2.1 Variant 12

IDZ Ryabushko 2.1 Variant 12

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No.1 Given a vector a = α · m + β · n; b = γ · m + δ · n; | m | = k; | n | = ℓ; (m; n) = φ;
Find: a) (λ · a + μ · b) · (ν · a + τ · b); b) the projection (ν · a + τ · b) on b; c) cos (a + τb).
Given: α = -2; β = -4; γ = 3; δ = 6; k = 3; ℓ = 2; φ = 7π/3; λ = -1/2; μ = 3; ν = 1; τ = 2.

No.2 According to the coordinates of points A; B and C for the indicated vectors find: a) the module of the vector a;
b) the scalar product of the vectors a and b; c) the projection of the vector c onto the vector d; d) coordinates
points M; dividing the segment ℓ with respect to α :.
Given: А(-2;-3;-2); В(1;4;2); С(1;–3 ;3); ...

No.3 Prove that the vectors a; b; c form a basis and find the coordinates of the vector d in this basis.
Given: a( 3;1;-3); b(–2;4;1); c(1; –2;5); d(1;12;-20).

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  • Added to the site 09.04.2024

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IDZ Ryabushko 2.1 Variant 12
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10 $ the discount is 5%
5 $ the discount is 3%
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Cumulative discount

20 $ the discount is 10%
10 $ the discount is 5%
5 $ the discount is 3%
Check your discount

Amount of purchases from the seller:  $

Your discount:  %

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