J's answer to Luis Tan's Secondary 3 A Maths Singapore question.

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J
J's answer
1024 answers (A Helpful Person)
1st
p = log₄x
x = 4ᵖ
x = (2²)ᵖ
x = 2²ᵖ

0.5x = x/2
= 2²ᵖ / 2¹
= 2²ᵖ⁻¹