Equations of the tangent and normal

[@leratosichinga1131]

Thank you Sir. You are the best. God bless you

[@renewingminds3908]

Great presentation Sir, you are a good Teacher.

[@felistuschanda4091]

Outstanding Explanations

[@esthermufumbi2771]

Thumbs up for you Sir

[@gwenmuchalo5668]

This is great! Keep going 😊💪💪💪💪

[@chaumbambondo3961]

thanks

[@malamamwenya7943]

I love the lesson

[@mwabamwelwa2684]

how did -4x^-2 become 4x^-2

[@mweenemuyanga8570]

You made a mistake on final differentiation the answer is supposed to be negative