Posted by MILEY on Thursday, April 1, 2010 at 5:52am.
1show that 1x/2 is the tangent line approximation to 1/ sqrt of 1+x near x=0
2what is the local linearization of e^x^2 near x=1
3find the tnagent line approximation of 1/x near x=1

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

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 + ...
= (1x)/2
Now try the others yourself.
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