If [tex]21^{2x} = 9[/tex], then what is the value of [tex]21^{-x}[/tex]?

Provide the answer and solution.

2 1 2 x = 9 ( 2 1 x ) 2 = 9 2 1 x = 3 ( 2 1 x ) − 1 = 3 − 1 2 1 − x = 3 1 ​

Answered by konrad509 | 2024-06-10

To find 2 1 − x when 2 1 2 x = 9 , we first solve for x using logarithms. Then, we calculate 2 1 − x which simplifies to 3 1 ​ .
;

Answered by Anonymous | 2024-12-26