" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= (2²ˣ⁺² -2²ˣ⁺³) /(2²ˣ - 2²ˣ⁺¹)
= 2²ˣ( 2² - 2³) / 2²ˣ(1- 2¹) .....(*coret 2²ˣ )
= (2² -2³)(1-2)
= (4 -8)/ (-1)
= - 4 / -1
= 4
.
soal kedua. ubah soal
3⁵ˣ⁻¹ = 27ˣ⁺³
3⁵ˣ⁻¹ = 3³⁽ˣ⁺³)
.
5x - 1= 3(x+3)
5x - 1 = 3x + 9
2x = 10
x = 5