Mathematics, 18.07.2019 08:00 lilianaalbarrap9tkqo

mefind a • b. a = 5i + 7j, b = -4i + 3j a: < 1, 10> b: < -20, 21> c: 1d: 41

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mefind a • b. a = 5i + 7j, b = -4i + 3j a: < 1, 10> b: < -20, 21> c: 1d: 41...