Question

plz som help :)
will fan+medal

Answer 1

Show that (1 + z)2 = 1 + 2z + z2.

Answer 2

\[(1+z)^2 = (1+z)(1+z)\]
By distributive law
\[(1+z)(1+z) = 1(1+z) + z(1+z)\]

Can you do the rest ??

Answer 3

umm so easily using distributive
lol i thought there is som kind of trick :|

Answer 4

i thought i had to prove
distributive or somthing :o

Answer 5

well, ty @LastDayWork !

Answer 6

You're welcome :)

Answer 7

btw, nice mask :P

Answer 8

^_^

Answer 9

you prove by giving all the laws and theorems for all the steps you make

Answer 10

distributive property is one of them

Answer 11

so do u have somthing else ?

Answer 12

i ment other method/thm to prove ?

Answer 13

laws of exponent

Answer 14

hmm u mean binomial ?

Answer 15

you can

Answer 16

sry but what is "laws of exponent " ?!