Question

Which of the following is equivalent to ?

Answer 1

1/(x - 1) - x/(x - 1) =
(1 - x)/(x - 1) =
-(x - 1)/(x - 1) =
-1
Answer is B.

Answer 2

26

39

40

30
those are the choices

Answer 3

40 and 30 :D

Answer 4

you can only pick one though

Answer 5

so for the summation, you go from n = 3 to 5 - 3, 4 and 5. you put those numbers in the expression they give you and add them up

Answer 6

thanks!

Answer 7

30 dude its 30

Answer 8

= 3* 12 + 3
= 36 + 3 = ...

Answer 9

shouldn't it be 39? not 30?