Enrich · Mathematics Extension 1 11–12 – Year 12 · Introduction to vectors
Enrich Define a⋅b = x_1x_2 + y_1y_2 + z_1z_2 as the scalar product of vectors a = x_1i + y_1j + z_1k and b = x_2i + y_2j + z_2k and use the scalar product to solve problems
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