underground
mathematics
Discuss
Map
Search
Browse
User
More
Home
How-to guide
Underground hub
About and contact
Your mathematical classroom
Exit fullscreen mode
Sequences
Review question
If $x_2 = 1/(1 - x_1), x_3 = 1/(1 - x_2)$, can we show $x_1x_2x_3+1=0$?
Add to your resource collection
Remove from your resource collection
Add notes to this resource
View your notes for this resource
Ref: R5995
Printable/supporting materials
Printable version
Fullscreen mode
Teacher notes
Question
Solution
Question
It is given that
\[\begin{equation*} x_2 = \frac{1}{1 - x_1}, \quad x_3 = \frac{1}{1 - x_2}, \quad x_4 = \frac{1}{1 - x_3}, \quad\text{where $x_1 \ne 0$ or $1$.} \end{equation*}\]
Prove that (i)
\(x_1x_2x_3 + 1 = 0\)
, (ii)
\(x_4 = x_1\)
.
Previous
Next
Station
Sequences
Lines
Number
Add to your collection
Add the current resource to your resource collection