If A vector= i cap+2j cap- k cap and B vector= 3i cap +4 j cap + n k cap,then find the value of 'n' if they are perpendicular
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If two vectors are perpendicular to each other then their scalar(dot) product must be zero. Therefore, A.B=0. (2i^+2j^+3k^)⋅(3i^+6j^+nk^)=0. 6+12+3n=0. 3n=− ...
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