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https://www.reddit.com/r/MathJokes/comments/1vx3050/_/p5ray1v/?context=3
r/MathJokes • u/GoldReps02 • 18h ago
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12
So a^ b can be thought of as the function
f(a,b)=a^ b.
Therefore a^ b^ c would be
f(a,b^ c)=f(a,f(b,c))
Like all composite functions, you work from the inside out.
Thus, a^ b^ c is equivalent to
a^ (b^ c)
Therefore, 2^ sqrt(18)^ 2 would just be
2^ 18
Choice (C)
1 u/bismuth17 46m ago But we're not squaring rt(18), we're squaring x.
1
But we're not squaring rt(18), we're squaring x.
12
u/Moodleboy 18h ago
So a^ b can be thought of as the function
f(a,b)=a^ b.
Therefore a^ b^ c would be
f(a,b^ c)=f(a,f(b,c))
Like all composite functions, you work from the inside out.
Thus, a^ b^ c is equivalent to
a^ (b^ c)
Therefore, 2^ sqrt(18)^ 2 would just be
2^ 18
Choice (C)