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pottersheep
Group Title
Derive y= (3x9)^9(x+2)^6
I get y1= 162(3x9)^8(x+2)^5?
 one year ago
 one year ago
pottersheep Group Title
Derive y= (3x9)^9(x+2)^6 I get y1= 162(3x9)^8(x+2)^5?
 one year ago
 one year ago

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pottersheep Group TitleBest ResponseYou've already chosen the best response.0
The answer is 45x(3x9)^8(x+2)^5...I don't get it!
 one year ago

zenai Group TitleBest ResponseYou've already chosen the best response.1
you must use the product rule combined with using the chain rule when you find each derivative.
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
Yep that's what I did! Should I show you my steps?
 one year ago

zenai Group TitleBest ResponseYou've already chosen the best response.1
yes please, let me take a look
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
y = (3x9)^9(x+2)^6 y1 = 9(3)(3x8)^8 (6)(1)(x+2)^5 y1 = 162 (3x9)^8(x+2)^5
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
Thank you
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
Have I gone wrong somewhere?
 one year ago

zenai Group TitleBest ResponseYou've already chosen the best response.1
yes you forgot to put an addition sign. the product formula is a*d/dx(b) + d/dx(a) * b
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
OHHHHHHH
 one year ago

zenai Group TitleBest ResponseYou've already chosen the best response.1
when you take the d/dx of the a and the b terms, that's when you execute the sign rule. this is an annoying question lol it will take some time to compute it all
 one year ago

pottersheep Group TitleBest ResponseYou've already chosen the best response.0
Thank you!!!!!
 one year ago
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