5. What are the position vectors of E, F, G,H?
| Solution: | |
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| a = | |
| b = | |
| c = | |
| d = | |
| e = | |
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|
| f = |
| g = |
| h = |
| i = |
| j= |
| k= |
| l= |
| m= |
| n= |
| o= |