Unexpected answer

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Nov 11, 2025, 7:36:54 PMNov 11

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Hi All,

I did this question by hand,

Then by handheld.

I expected 2 π a

How do I explain the output to the students

Its the last part of a question

Kind regards

Jody Crothers

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Nov 11, 2025, 8:00:01 PMNov 11

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When the expression is simplified

I get my expected answer

Jody Crothers

From: tins...@googlegroups.com <tins...@googlegroups.com> on behalf of Jody Crothers <jodst...@hotmail.com>
Sent: Wednesday, 12 November 2025 8:36 AM
To: TI IT list <tins...@googlegroups.com>
Subject: [tinspire] Unexpected answer

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Nov 11, 2025, 8:28:12 PMNov 11

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Might be due to:

If b<0 then the integral is backwards so sign(b) makes it positive.

In the simplified form, the b's 'cancel'.

Regards,

John

From: tins...@googlegroups.com <tins...@googlegroups.com> on behalf of Jody Crothers <jodst...@hotmail.com>

Sent: Tuesday, November 11, 2025 7:59 PM
To: tins...@googlegroups.com <tins...@googlegroups.com>
Subject: [tinspire] Re: Unexpected answer follow up

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