# Answer to Question #46941 in Other Math for irebami

Question #46941

Solve the following

r1=3i−2j+k,r2=2i−4j−3k,r3=−i+2j+2k.Find r2.r1

5

7

8

-5

r1=3i−2j+k,r2=2i−4j−3k,r3=−i+2j+2k.Find r2.r1

5

7

8

-5

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