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let u + 2v = 3j - k and 3u - v = i + j + k find u and v

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asked Nov 10, 2016 in BASIC MATH by anonymous
reshown Nov 11, 2016 by goushi

1 Answer

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Step 1:

The equations are image.

Simplify the equations.

image

Find image.

Substitute first equation in second equation.

image

Find image.

Substitute image in the image

image

Solution:

image

image

answered Nov 11, 2016 by Anney Mentor

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