Mathematics for IGCSE & O level - Vectors (Section 5 - No. 10) | ExamPlay

Mathematics for IGCSE & O level - Vectors (Section 5 - No. 10)

If vector a = [2,3], and vector b = [4,1], what is the vector 3a + 2b?

[14,11]

[14,9]

[11,14]

[11,9]

Explanation

3a + 2b = 3[2,3] + 2[4,1] = [6,9] + [8,2] = [14,11]

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