Check my answers please:
a = 4i + 3j
b = 2i - j
c = 2i + j + 3 k
d = 2i - 2j + k
Questions %26amp; Answers:
(a) 2a + 5b = 18i + j
(b) a.b = 5
(c) a x b = -10 k
3D Vectors, Check my answers please?
(a) correct
(b) correct
(c) correct
Reply:all Three are correct
Reply:All the three are correct
but please tell me that why you have mentioned c and d vectors
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