Physics, asked by aritraroy0102, 8 months ago

If A 2i -3j -k and B=i+4j-2k; find AxB =?

Answers

Answered by ghathiram216

4

Answer:

the cross multiplication of a and b isAxB=10i+3j+11k

Attachments:

Answered by tummakeerthana19

0

Answer:

A×B=(2i-3j-k)(i+4j-2k)

=2i²+8ij-4ik-3ij-12j²+6jk-ik-4jk+2k²

=2i²+5ij-5ik-12j²+2jk+2k²

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