Question

Find the sum of vector A and C
A=64i + 64j
C=64i - 128j

Answer 1

$$\bold{A+C}=(64\bold{i}+64\bold{j})+(64\bold{i}-128\bold{j})$$

$$\bold{A+C}=(64+64)\bold{i}+(64-128)\bold{j}$$

$$\bold{A+C}=128\bold{i}-64\bold{j}$$