" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3^2x + 3^ -2x = 98
(3^x + 3^-x)^2 - 2(3^x)(3^-x) = 98
(3^x + 3^ -1)^2 - 2(1) = 98
(3^x + 3^-1) = 100
(3^x + 3^ -x) = 10