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The angle between two vectors -2i^+3j^+k^ and i^+2j^-4k^ is
Asked by Sunita | 06 Jun, 2019, 11:40: PM
answered-by-expert Expert Answer

CosQ= -2+6-4/root14.root21 

CosQ=0/root14.root21

CosQ=0

Q=90°

Answered by Shiwani Sawant | 07 Jun, 2019, 12:35: AM

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