Differential equations
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Define:
f(x) = (x^2)sin(1/x)+x if x doesn't equal 0
f(x) = 0 if x=0
Prove that the function f:R-> R is differentiable and that f'(0)=1. Also prove that there is no neighbourhood I of 0 such that the function f:I->R is increasing.
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Solution Summary
This is a proof regarding differentiability of a function.
Education
- BSc, University of Bucharest
- MSc, Ovidius
- MSc, Stony Brook
- PhD (IP), Stony Brook
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