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November 23, 2014

November 23, 2014

Posted by **MILEY** on Thursday, April 1, 2010 at 5:52am.

2-what is the local linearization of e^x^2 near x=1

3-find the tnagent line approximation of 1/x near x=1

- CALC (TANGENT LINE) -
**Damon**, Thursday, April 1, 2010 at 6:37am1-show that [1-x]/2 is the tangent line approximation to 1/ sqrt [1+x] near x=0

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f(x) = (1+x)^-.5

f'(x) = -.5(1+x)^-1.5

series expansion(Taylor, Maclaurin)

f(x) = f(0) + f'(x)*x/1! + ......

f(x) = (1/2)(1+0)^-1.5 - .5(1+0)^-1.5 *x^1 + ...

= 1/2 - x/2 + ...

= (1-x)/2

Now try the others yourself.

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