find all values of unknowns which satisfy the following equations: 1. (x, y, z) - 3(-1, 2, I) = (0, 0, 0) 2. 7(2, x, x^2)-5(2 -x, x^2) = (1, 12x, x^2)+3(1, 0, 1) 3. (sin x, sin2x, lne) = (sinπ, 2sinx, secx) cosx

find all values of unknowns which satisfy the following equations: 1. (x, y, z) - 3(-1, 2, I) = (0, 0, 0) 2. 7(2, x, x^2)-5(2 -x, x^2) = (1, 12x, x^2)+3(1, 0, 1) 3. (sin x, sin2x, lne) = (sinπ, 2sinx, secx) cosx

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 27E

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Question

find all values of unknowns which satisfy the following equations:

1. (x, y, z) - 3(-1, 2, I) = (0, 0, 0)

2. 7(2, x, x^2)-5(2 -x, x^2) = (1, 12x, x^2)+3(1, 0, 1)

3. (sin x, sin2x, lne) = (sinπ, 2sinx, secx) cosx

4.for the given vectors find the value of U V ad normalise U+V

U =(1, 1, 3)

V = (3, 1, 1)

Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.

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