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Find a + b, 2a + 3b, |a|, and |a - b|.

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Find a + b, 2a + 3b, |a|, and |a - b|.

asked Feb 14, 2015 in CALCULUS by anonymous

1 Answer

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Step 1:

The vectors are image and image.

Find image.

image

image.

Step 2:

Find image.

image

image

image

image.

Step 3:

Find image.

Formula for the length of three dimensional vector is .

image

image

image.

Step 4:

Find image.

image

image

image

image

image.

Solution:

image.

image.

image.

image.

answered Feb 16, 2015 by Sammi Mentor

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