Question

Proof
|a+b|
10 years ago

Answer 1

a) graphically

Answer 2

vs

Answer 3

@inkyvoyd

Answer 4

is this part correct? :)

Answer 5

I can't seem to get the formal proof correct.

Answer 6

What's your justification for the graphical method ?

Answer 7

I think you should say something about how the sum of lengths of two sides of a triangle is never less than the length of the third side

Answer 8

@ganeshie8 sorry was in class! how would i show that?

Answer 9

to show a+b graphically, add "head to tail"
your version shows subtraction.

Answer 10

aah thanks, just fixed it :)
I am working this out on paper, let me write it out on here