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The magnitude of vectors 𝐴 , 𝐵 and 𝐶 are 12, 5 and 13 units respectively. If 𝐴 + 𝐵 =
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The magnitude of vectors 𝐴 , 𝐵 and 𝐶 are 12, 5 and 13 units respectively. If 𝐴 + 𝐵 = 𝐶 , the angle between 𝐴 and 𝐵 is
(a) 0
(b) π
(c) 𝜋2
(d) 𝜋/4
(a) 0
(b) π
(c) 𝜋2
(d) 𝜋/4
0:02:01
0:05:30
0:00:39
0:03:33
0:02:45
0:13:41
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0:04:41
0:12:13
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