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8^8=2^(8+2(8)) 16777216=16777216 x=8 It’s in my head.
A nice Olympiad Exponent: xˣ = 2⁸⁺²ˣ; x =? xˣ = 2⁸⁺²ˣ = (2⁸)(2²ˣ), 2²ˣ > 0; xˣ/(2²ˣ) = (x/2²)ˣ = (x/4)ˣ = 2⁸ = (8/4)⁸; x = 8Answer check:x = 8: 2⁸⁺²ˣ = 2⁸⁺²⁽⁸⁾ = 2²⁴ = 2³⁽⁸⁾ = (2³)⁸ = 8⁸ = xˣFinal answer:x = 8
X =8
Thanks
Welcome
8^8=2^(8+2(8)) 16777216=16777216 x=8 It’s in my head.
A nice Olympiad Exponent: xˣ = 2⁸⁺²ˣ; x =?
xˣ = 2⁸⁺²ˣ = (2⁸)(2²ˣ), 2²ˣ > 0; xˣ/(2²ˣ) = (x/2²)ˣ = (x/4)ˣ = 2⁸ = (8/4)⁸; x = 8
Answer check:
x = 8: 2⁸⁺²ˣ = 2⁸⁺²⁽⁸⁾ = 2²⁴ = 2³⁽⁸⁾ = (2³)⁸ = 8⁸ = xˣ
Final answer:
x = 8
X =8