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seen Dec 4 '13 at 18:18

math_analyst


Feb
16
awarded  Yearling
Sep
7
awarded  Nice Answer
Jul
2
comment Compactness; closed and bounded. Heine-Borel
No,--but it says : there exists " no " ...
May
1
revised Continuous function and increasing property
improved formatting..
May
1
comment Continuous function and increasing property
@Keith It contradicts $f(a)>f(b)$ so our assumption is wrong --f is increasing everywhere..
May
1
comment Let $m^n-1$ be prime. What can $m$ be?
m = 2 and m-1=1 ..
May
1
comment How to find the maximum area
Describe your problem using Cartesian coordinate system.We don't get what you mean this way..
Apr
30
answered Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$
Apr
29
revised Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$
improved formatting.
Apr
29
suggested suggested edit on Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$
Apr
29
comment Extreme Value Theorem proof help
using Bolzano-weierstrass ,there is an alternate nicer proof.see :en.wikipedia.org/wiki/Extreme_value_theorem
Apr
29
revised Real Analysis (derivative)
improved formatting...
Apr
29
revised Real Analysis (derivative)
improved formatting..
Apr
29
answered Real Analysis (derivative)
Apr
29
comment Real Analysis (derivative)
should use the definition of derivative..
Apr
29
comment Real Analysis (derivative)
Try r=2 which der. exists , but according to your last expr.it doesn't ..
Apr
29
comment How do you evaluate this line integral, where C is the given curve?
$C_1 : y = t/2 $
Apr
29
answered How do you evaluate this line integral, where C is the given curve?
Apr
28
suggested suggested edit on Series, Looks Simple, but I am Stuck
Apr
28
revised integration as limit of a sum
improved formatting..