Chrisuu

Member for 10 years, 1 month
Last seen more than a week ago

Canada

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absolute-value

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6

Calculating $H'(x)$ given $H(x) = \int_{x^3 + 1}^{x^2 + 2x} e^{-t^2} dt$

Jul 12, 2019

5

Can someone explain this proof of the product property of square roots?

Sep 9, 2015

5

Why isn't the definition of absolute value applied when squaring a radical containing a variable?

Apr 27, 2019

5

What is the range of this combined function?

Apr 28, 2019

5

Can I say "if a sequence is not bounded above, then it is divergent to positive infinity" without explicitly saying it's eventually increasing?

Aug 8, 2019

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How to use math textbooks

Feb 23, 2013

4

Do we need to formally teach the Greek Alphabet?

Mar 6, 2014

4

Truth set of $-|x| \lt 2$?

Feb 22, 2013

3

Proving $(5-\frac5k )(1+\frac{1}{(k+1)^2}) \le 5 - \frac{5}{k+1}$

Feb 28, 2013

2

Word Problems(sats practice booklet)

Feb 24, 2013

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inequality

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absolute-value

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education

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algebra-precalculus

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+2

Side limits of a function with a cusp (does the limit exist at the cusp? is it it differentiable at the cusp?)

+10

Why can't we assume $0 < |x - a| \leq \delta$ (equality) in an epsilon delta proof?

+10

Side limits of a function with a cusp (does the limit exist at the cusp? is it it differentiable at the cusp?)

+10

Quantifying a variable in a set after specifying the set

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