Calculus 1: Differentiation Rules (Video #9) | Math with Professor V

Finding the derivative of a function using the differentiation rules (power rule, constant multiple rule, sum and difference rules). Finding the derivative of the exponential function e^x. Finding equations of normal and tangent lines to a curve at a specified point. Revisiting particle motion. #calculus #derivatives #mathtvwithprofessorv #differentiationrules #powerrule #derivativeofex #calculusvideos #calculushelp #mathvideos #math #youtubemath #mathprofessor #mathtutor #precalculus #algebra #differentiation #derivatives #functions #acceleration #velocity #particlemotion #normalline #tangenline

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Calculus 2 Lecture Videos on Integration:

Trig Review:

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[SteveSmith-thwv]

At 21:30 it does not look like the normal line is perpendicular to the tangent line. However, if the scale on the x-axis was the same as the scale on the y-axis, the normal line would look perpendicular to the tangent line.

[nickalexander]

is there a reason why the lines do not appear to be properly perpendicular? does it not matter what the angle of perpendicularity is or are we always trying to show perfectly perpendicular at a 90 degree angle?