Question

If P vector = 6 i^ + 8j^ and Q^ = 4i^ - 3j^, Then calculate .
A) | P vector |
B) | Q vector |
C) | P + Q vector |
D) | P - Q vector |

Answer 1

p vector- 10

q vector-5

p+q vector- 5root5

p-q vector- 5root5