ginny1029

05-20-2009, 12:59 AM

i did the following:

(1-2sqrt3) (1-2sqrt3)

1times 1=1

1 times -2sqrt2 = -2sqrt 3

-2sqrt3 times 1 = -2sqrt3

-2sqrt3 time - 2sqrt3 = 4sqrt 3

so I have

1 - 2sqrt3 - 2sqrt3 + 4 sqrt 3

which leaves me with 1

which is very wrong

help?

(1-2sqrt3) (1-2sqrt3)

1times 1=1

1 times -2sqrt2 = -2sqrt 3

-2sqrt3 times 1 = -2sqrt3

-2sqrt3 time - 2sqrt3 = 4sqrt 3

so I have

1 - 2sqrt3 - 2sqrt3 + 4 sqrt 3

which leaves me with 1

which is very wrong

help?