Question

Draw the vector c⃗ =1.5a⃗ −3b⃗

Answer 1

The magnitude of a is 1.5
The magnitude of b is -3
The magnitude of the vector is
√(1.5² + (-3)²) = 3.35
The angle is
θ = tan⁻¹ (-3/1.5) = 63.43°
The vector is drawn with a magnitude of 3.35 and an angle of 63.43°.