Question

Help me pake caranya jangan asal.

Answer 1

2ˣ + 2⁻ˣ = 4
2ˣ + 1/2ˣ = 4
(2ˣ(2ˣ))/2ˣ =4
2²ˣ/2ˣ =4
2ˣ =4
x = √4
x = 2


= 2³ˣ + 2⁻³ˣ
= 2³ˣ² + 1/2³ˣ²
= 2⁶ + 1/2⁶
= (2⁶(2⁶))/2⁶
= 2¹²/2⁶
= 2⁶
= 64