Physics, asked by mahender4783, 11 months ago

angle between A =i^+2j^-k^ nd B=-i^+j^-2k?

Answers

Answered by Anonymous

4

Dpt products -

- 1 + 2 + 2 = 6 cos thetha

3/6 = cos thetha

1/2 = cos thetha

thetha = 30 degree

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