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Mathematics for IGCSE & O level - Vectors (Section 6 - No. 27)
If vector a = [2, 3] and scalar k = 2, what is ka?
[4, 6]
[4, 9]
[0, 1]
[8, 12]
Penjelasan
ka = 2 * [2, 3] = [4, 6]
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