Exercise 1.1.8

The parallelogram in Figure $1.1$ has diagonal $v + w .$ What is its other diagonal? What is the sum of the two diagonals? Draw that vector sum.

Answers

The other diagonal is $v - w$ (or else $w - v$ ). Adding diagonals gives $2 v$ (or $2 w$ ).

mathchakra

2021-11-20 13:51