1.10 Vectors

Given that $∣ki+7j+4k∣=9|k\mathbf{i} + 7\mathbf{j} + 4\mathbf{k}| = 9$

Find the two possible values of $k$

[3]

Given that $∣ki+7j+4k∣=9|k\mathbf{i} + 7\mathbf{j} + 4\mathbf{k}| = 9$

Find the two possible values of $k$

[3]

1.10 Vectors Questions