Physics, asked by guru1508, 10 months ago

calculate the value of j.(2i-3j+k) and(2i-j).(3i+k)

Answers

Answered by kaif78600

14

Answer:

(i).(0i+j+0k). (2i-3j+k)

=0×2+1×-3+0×1

=-3

(ii). (2i-j+0k). (3i+0j+k)

=2×3+-1×0+0×1

=6

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