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JJ1371
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For what value of x does y=xx^2 and y=x^2 have the same gradient?
 2 years ago
 2 years ago
JJ1371 Group Title
For what value of x does y=xx^2 and y=x^2 have the same gradient?
 2 years ago
 2 years ago

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apple_pi Group TitleBest ResponseYou've already chosen the best response.0
differentiate each and equate the derivatives
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
woah @akash123 where'd that come from?
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
differentiate each and equate the derivatives
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
You were scaring me there
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
@JJ1371 taking it in...
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
where? proving the collinearity..
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
no, just suddenly pulling an answer
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
sorry, the second y=x^3
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
Ok, follow the procedure
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
y=1+2x y=2x^2 1+2x = 2x^2 where to now?
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
now u have to solve this quadratic equation and find the values of x
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
1+2x = 3x^2
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
okay 2x^22x1=0
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
derivative of x^3 = 3 x^2
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
how did you get that?
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
derivative of x^n = n x^(n1)
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
oh right yeah
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
3x^2  2x 1 = 0 Quadratic equation?
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
wait! (x3)(x+1) = 0
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
therefore x = 3 or x = 1?
 2 years ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
no...3x^2  2x 1 = 0 =(x3)(x+1) is wrong do the factorization again
 2 years ago

JJ1371 Group TitleBest ResponseYou've already chosen the best response.0
x = 1 or x=(1/3)
 2 years ago
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