Question

show that the following progression is arithmetic and find an expression for an nth term

Answer 1

\[\frac{ 1 }{ 1+ \sqrt{x}}, \frac{ 1 }{ 1-x}, \frac{ 1 }{ 1-\sqrt{x}}\]

Answer 2

@precal

Answer 3

yuck

Answer 4

arithmetic means that they are adding or subtracting a number to each term, so find the common difference

Answer 5

yep that bit i know, tried subtracting the first term fromt the second term and subtracting the second term from the third term and the answers are different