" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
(x²+ 1)² - 7(x²+1) + 10 < 0{(x²+1) - 5}{(x²+1) - 2} < 0
2 < (x²+1) < 5
kerjakan terpisah
2 < x² + 1
atau
x² + 1 > 2
x² + 1 - 2 > 0
x² - 1 > 0
(x - 1)(x + 1) > 0
x < -1 atau x > 1
x² + 1 < 5
x² + 1 - 5 < 0
x² - 4 < 0
(x - 2)(x + 2) < 0
-2 < x < 2
gabungkan himpunan penyelesainnya
-2 < x < -1 atau 1 < x < 2