Please help always get mixed up (1 Viewer)

[SlimiJay]

can someone like send me a page of notes or anything that kinda says how to prove something has one solution and all that and seeing when a function is a positive, negative definite etc always get stuck and their easy marks
thanks

 

[rand_althor]

Read through this: http://www.boredofstudies.org/courses/maths/2u/1119956014_2004_Mathematics_Notes_Emily_Meers.pdf