AQA Further Paper 2 2020 June — Question 1

Exam BoardAQA
ModuleFurther Paper 2 (Further Paper 2)
Year2020
SessionJune
TopicVector Product and Surfaces

1 Three of the four expressions below are equivalent to each other.
Which of the four expressions is not equivalent to any of the others? Circle your answer.
\(\mathbf { a } \times ( \mathbf { a } + \mathbf { b } )\)
\(( \mathbf { a } + \mathbf { b } ) \times \mathbf { b }\)
\(( \mathbf { a } - \mathbf { b } ) \times \mathbf { b }\)
\(\mathbf { a } \times ( \mathbf { a } - \mathbf { b } )\)