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Mathematics, 07.07.2021 01:00 noberoger2780

The vector a, b and c are given as a=2i+3j-4k. b =5i+3j+7k. c =6i+2j-k find 1)a-2b+4c
2)5a+2b-c​

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The vector a, b and c are given as a=2i+3j-4k. b =5i+3j+7k. c =6i+2j-k find 1)a-2b+4c
2)5a+2b-...

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