proof

Question 1

exhaustion

Answer 1

do all that is stated in question to prove

Question 2

contradiction

Answer 2

assume opposite is true

Question 3

if u see a quadratic what do u do

Answer 3

complete square

Question 4

if prove root 2 is irrational

Answer 4

assume its rational , by using a/b, and that a and b have no common factors

result of them having common factor