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anonymous
 5 years ago
what is the derivative of:
2 square x (not sure how to do)
and
(12x)/x^3 I get 3x^3(1+2x) not sure if correct
anonymous
 5 years ago
what is the derivative of: 2 square x (not sure how to do) and (12x)/x^3 I get 3x^3(1+2x) not sure if correct

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sorry for the last one my answer is 3x^2(1+2x)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0u can rewrite square of x by x^1/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0multiply the exponent by the degree and subtract 1 from the exponent

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[2\sqrt{?}\] sorry I can't get it in corrrectly the ? should be the x

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0take the 2 out and derive sqrt(x); or x^(1/2) 1/2sqrt(x) now put the 2 back in: 2/2sqrt(x) = 1/sqrt(x)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0(12x)/x^3 use quotient rule :) x^3(2)  (12x)(3x^2)  x^6

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\frac{d}{dx}[ \frac{(12x)}{x^3}] \] \[= \frac{d}{dx}[ (12x)x^{3}]\] \[= (12x)\frac{d}{dx}[ x^{3}] + x^{3}\frac{d}{dx}[ (12x)]\] \[ = (12x)(3x^{4}) + x^{3}(2)\] \[ = 3x^{4} + 6x^{3}  2x^{3}\] \[ = \frac{4x3}{x^4} \]

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.02x^3 3x^2+6x^3 4x^3  3x^2 (4x3)x^2  x^4 x^2 4x3  maybe?? x^4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks, i have to go for now , i will check back in about and hour

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0polpak did it good :) or we messed up toghter lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I prefer to ignore the quotient rule and use product rule with a negative exponent.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I thought potato = potato ;p

radar
 5 years ago
Best ResponseYou've already chosen the best response.0There is another way to look at mom. (12x)/x^3 can be rewritten to appear as (12x)(x^3) \[(12x) *x ^{3}=x ^{3}2x ^{2}\]

radar
 5 years ago
Best ResponseYou've already chosen the best response.0This may be in a more familiar form you can now simply take the derivative to be: \[3x ^{4}+4x ^{3}\] simplifying will obtain the results of polpak and amistre64
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