Calculus | Integration | Equation of the normal to the curve

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You can also watch how to calculate the standard deviation, graph cumulative frequency curve and how to find the semi - Interquartile range here: ua-cam.com/video/VKVXpDy3lfg/v-deo.html

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Thanks for watching! I hope you found the explanation helpful.

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A job well done sir however with respect please ensure the text is all visible as sometimes we take screen shots eg 2, -6 is not visible.

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Tks

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[@user-ht8dt7dp2w]

With this explanation, will make me to get a distinction in math🙏 What is a different between the equation of the tangent to the curve and equation of the normal to the curve?

[@GSCEMathematicsZone12]

Hey Timothy,
We are glad you found this video useful. The difference between the equation of the tangent and the equation of the normal is that their lines meet at 90⁰ and m1 x m2 = -1. Hope this is helpful.
We wish you all the best in your upcoming exam.
The GCSE Mathematics Zone Team.

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Sir I am exceedingly grateful

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Pleasant explanation ❤❤🎉🎉🎉

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[@antenna7002]

Is there a different method for solving b?
Specifically the 1st step

[@GSCEMathematicsZone12]

If you want, you could go direct and differentiate the given equation to find the gradient of the given equation and then use it to find the m2 without a sketch. I did a sketch so that you see what is going on.

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It is very clear

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Where is negative 1 coming from

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It's the formula.

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[@LenardTembo-xl4zi]

Sorry sir on integration it's 157 not 155

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