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Differential Equations 8 Online
OpenStudy (unklerhaukus):

Find the least ordered polynomial passing through the following points (0,0), (1,0), (2,4), (5,1)

hartnn (hartnn):

you know it'll be a 4th order polynomial of the form f(x) = x * (cubic)

OpenStudy (unklerhaukus):

yeah the polynomial will be 4-1=3rd order, a cubic

OpenStudy (ikram002p):

the at least ordered is the least power of x , in polynomial f(x)=d is the least then f(x)=bx+d then f(x)=ax^2+bx+d and so on

hartnn (hartnn):

it'll be 4th order, as 4 points are given...

OpenStudy (unklerhaukus):

n-1

hartnn (hartnn):

oh yeah, oops then its even simpler

OpenStudy (ikram002p):

its 4'th order if its aproximation

hartnn (hartnn):

f(x) = x (quadratic) y= x* (ax^2+bx+c) take different points except 0,0, 3 equations, 3 unknowns

OpenStudy (unklerhaukus):

|dw:1382603938747:dw|

hartnn (hartnn):

y= x* (ax^2+bx+c) 1,0 0 = a+b+c

OpenStudy (unklerhaukus):

|dw:1382604024952:dw|

hartnn (hartnn):

assuming points are 0,0 1,0 2,4 5,1

OpenStudy (unklerhaukus):

oh yeah @hartnn\[\cancel{(0,1)} (1,0) \] sorry

OpenStudy (unklerhaukus):

|dw:1382604223821:dw|

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