Question
Asked Nov 28, 2019
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For the vector, findV, -V, and 4V.
V 2i 4j
1v
2
-V =
4V=
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For the vector, findV, -V, and 4V. V 2i 4j 1v 2 -V = 4V=

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Expert Answer

Step 1

Find the following scalar multiplication of a vector:

,4
Multiply a vector by a scalar (real number) is called a scalar
multiplication
Given: v 2i+4j.
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,4 Multiply a vector by a scalar (real number) is called a scalar multiplication Given: v 2i+4j.

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Step 2

The multiply a scalar nu...

Find
v(2+4)-+2
= i+
Find -v
Multiply by negative scalar gives, same magnitude and different
direction
--(2i+4j)=-2i-4j
Find 4v
4v 4(2i+48i +16j
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Find v(2+4)-+2 = i+ Find -v Multiply by negative scalar gives, same magnitude and different direction --(2i+4j)=-2i-4j Find 4v 4v 4(2i+48i +16j

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