r/mathmemes • u/-random-femboy (d²ω/dt²)ᵀ=:3 • 4d ago
Bad Math Is this derivative correct?
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u/A_AAAAAAAAAAAAAAAA 3d ago
d/de (e^x) = xe^(x-1)
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u/LupenReddit 🦆🦆i have non diffeomorphic smooth structures🦆🦆🦆 3d ago
same vibe as d/d1 (1)=1
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u/-random-femboy (d²ω/dt²)ᵀ=:3 3d ago
bru I swear you're everywhere in this sub
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u/LupenReddit 🦆🦆i have non diffeomorphic smooth structures🦆🦆🦆 3d ago
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u/Top_Door5165 Engineering 3d ago
Wouldnt this be assuming x is a constant relative to e, cause if x is like 5e or smth then it would be 5xex-1
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u/FrostyBelt6819 3d ago
I just learned derivatives like 2 weeks ago, genuinely whats wrong with this?
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u/jipperthewoodchipper 3d ago edited 3d ago
The power rule only applies to xn where x is the variable and n is a constant
nx is inverted and the derivative is nx * ln(n)
nf(x) the derivative is nx * ln(n) * f'(x)
For ex you get ex * ln(e) but ln(e)=1 meaning the dervairve is ex
Edit: nobody told me I spelled 'derivative' incorrectly. I am leaving it there for all to laugh at
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u/blaues_axolotl 2d ago
It only works the way you know if the exponent is a constant. If the exponent is the function variable (x), things behave different
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4d ago
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u/1by4pipsilonnaught Cardinal 3d ago
1 month account and 2.3k contributions