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Mathematics 15 Online
OpenStudy (anonymous):

find an equation of the tangent line at x=a y=x^2-x;a=2 a)3x-6 b)3x-4 c)n/a

hartnn (hartnn):

slope of tangent at x=a is just derivative of y at x =a can you first find derivative of y ? dy/dx =.... ?

OpenStudy (anonymous):

2* x^(2x) * (lnx + 1) ?

hartnn (hartnn):

where did u get that from ?? :O i thought the question was \(y= x^2-x\)

OpenStudy (anonymous):

whoops wrong problem

OpenStudy (anonymous):

just learning derivative no clue

OpenStudy (anonymous):

*derivatives

hartnn (hartnn):

even if you have just started with derivatives, you can solve this (if you still want to) know the derivative of x^n ?

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