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Chapter 9: Q. 43 (page 621)

In Problems 39鈥�44, find each quantity if v=3i-5j+2kandw=-2i+3j-2k

v-w

Short Answer

Expert verified

The value of v-wis 38-17

Step by step solution

01

Step 1. Given

The quantities:

v=3i-5j+2k;w=-2i+3j-2k

To find the given values.

02

Step 2. Find the length of the vector.

Find the length of the vector separately.

v=3i-5j+2k=32+(-5)2+(2)2=9+25+4=38

w=-2i+3j-2k=(-2)2+32+(-2)2=17

03

Step 3. Find the required quantity.

The required value is,

v-w=38-17

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