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

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

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

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

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

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

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

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

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

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
Ok, follow the procedure
 one year 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?
 one year 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
 one year ago

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

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

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

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

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

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

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

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

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

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