Question

solve for x : 8^x+1 + (4x)^3/2 = 18​

Answer 1

Given  : 8^x+1 + (4)^3x/2 = 18​

To Find : Solve for x

Solution:

8ˣ⁺¹ + (4)^3x/2 = 18​

⇒ (2³)ˣ⁺¹  + (2²)^3x/2 = 18​

⇒   2³ˣ⁺³ + 2³ˣ = 18​

⇒   2³ˣ.2³ + 2³ˣ = 18​

⇒    2³ˣ.( 8 + 1) = 18

⇒   2³ˣ.( 9) = 18

⇒   2³ˣ   =2

⇒   2³ˣ   =2¹

 3x = 1

⇒ x = 1/3

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Answer 2

Step-by-step explanation:

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