Question

Can someone look at this proof

Answer 1

I got my right and left mixed up, what i mean is that i expanded the LHS

Answer 2

but when i expand the LHS the it doesnet look exacltly like the RHS

Answer 3

by the way "a" and "b" are vectors

Answer 4

hw hve u done the other way means expanding LHS ??

Answer 5

no, what would i get if i expand the RHS

Answer 6

i the pic u posted its written RHS ,shouldn't it be LHS ??

Answer 7

yes

Answer 8

whts ur prob. means which step u cannt understand?

Answer 9

if u expand RHS u hve 2 jst reverse de steps of LHS

Answer 10

I'm not sure what you guys are talking about above, but the proof looks fine