RE: Solving Squared Equations

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am doing engineering but this still gives me problem sometimes. when doing big calculations sometimes i just do stupid things.



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What are these things in these big calculations?

A common and severe mistake is the dreaded negative sign.

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(Edited)

sometimes they give squareroots in calculas and make a weird question and i always end of doing mistakes.
By big calculation i mean what i find hard and i just started 3rd semester and i know there is more to come.

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Hmm. I see. Arc length? Trigonometric substitution for integrals with square roots?

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Trigonometric substitution for integrals with square roots.
Yes

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