Chapter 14.2, Problem 1OE

To determine

To find: The value of $s$ and $t$ .

Answer to Problem 1OE

The value of $s=5$ and $t=-2$ .

Explanation of Solution

Given:

The given expression is $si+tj=5i-2j$ .

Calculation:

Consider the given expression is,

  $si+tj=5i-2j$

Match the right side of the above equation with the left then,

  $\begin{array}{l}s=5\\ t=-2\end{array}$