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what is the derivative of (x1)^2(x3)? I keep expanding it all out to get x^35x^2+6x3 and then finding the derivative of that but I am wrong. So what is it?
 9 months ago
 9 months ago
what is the derivative of (x1)^2(x3)? I keep expanding it all out to get x^35x^2+6x3 and then finding the derivative of that but I am wrong. So what is it?
 9 months ago
 9 months ago

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cwrw238Best ResponseYou've already chosen the best response.1
you can use the product rule d(x1)^2 d(x3)  * (x3) +  * (x1)^2 dx dx
 9 months ago

schi1Best ResponseYou've already chosen the best response.0
uhh... so we would find the derivative of (x3) and multiply it too (x1)^2 then take the derivative of (x1)^2 and multiply it by (x3?
 9 months ago

cwrw238Best ResponseYou've already chosen the best response.1
= 2(x  1)(x  3) + (x  1)^2
 9 months ago

schi1Best ResponseYou've already chosen the best response.0
so it would be (x1)^2(1)+(x3)(2(x1))?
 9 months ago

cwrw238Best ResponseYou've already chosen the best response.1
d(uv) / dx = u (dv/dx ) + v (du/dx) where u and v are functions of x
 9 months ago

schi1Best ResponseYou've already chosen the best response.0
so... did I get it right?
 9 months ago

schi1Best ResponseYou've already chosen the best response.0
yessssss thanks, I find these rules annoying yet helpful lol
 9 months ago
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