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If a vector 2i 3j 8k is perpendicular to the vector 2j 4i ak , then the value of a is : |
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Answer» SINCE it is perpendicular their product will be ZERO therefore (2x2)i+(3x4)j+(8xa) k=0 4+12+8a= 0 8a=-16 a=-2 hope you have understood then PLEASE make it as brainlist |
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