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## math for fun

## Forum Comments

Will you please explain it?

In Math Problems

Petition to change trigonometry function notation with regards to superscript

In Math Problems

Petition to change trigonometry function notation with regards to superscript

In Math Problems

Can we change the definition?

In Video Ideas

Sir, I came across this question & need help to solve it. Please take a look.

In Math Problems

Petition to change trigonometry function notation with regards to superscript

In Math Problems

Analytical solution?

In Math Problems

X in terms of t

In Math Problems

Problem with an equation

In Math Problems

Birthday Problem

In Video Ideas

Birthday Problem

In Video Ideas

Differential equation

In Math Problems

How to Integrate

In Math Problems

Differential equation

In Math Problems

ln(a+bi)

In Math Problems

Hi guys
I want to know if this is the right solution of this integral or not ?

In Math Problems

Ian Fowler

Oct 21, 2021

You missed: dx = du/2cos^2(x). Line 3 should have du. After that it's game over.

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What is the sum of all negative integers?

In Math Problems

Ian Fowler

Sep 25, 2021

It does not exist. The sum is divergent. I get the feeling you're just yanking our chain.

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What’s the integral of "e^x*Lnx”?

In Math Problems

# Ian Fowler

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