WEBVTT
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Hey, it's clear. So when you read who
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so we're gonna differentiate ethnic acts is equal to X
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square? Sina Becks. So, though, get
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the derivative, it was equal to X square terms
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. D over d X of sign of X plus
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de over de Metz of X square time. Sign
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of X, a derivative of sign as co sign
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and we get X Square co sign That's plus two
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X Sinus.