SOLUTION: if a =(3^x) + (3^-x) and b = (3^x) - (3^-x) find an expression for a^2 - b^2
Algebra
->
Expressions-with-variables
-> SOLUTION: if a =(3^x) + (3^-x) and b = (3^x) - (3^-x) find an expression for a^2 - b^2
Log On
Algebra: Expressions involving variables, substitution
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Expressions-with-variables
Question 1127164
:
if a =(3^x) + (3^-x) and b = (3^x) - (3^-x) find an expression for a^2 - b^2
Answer by
math_helper(2461)
(
Show Source
):
You can
put this solution on YOUR website!
a-b =
a+b =