Question

State wether the number (√2-√3) (√2+√3) is rational or irrational.show briefly​

Answer 1

Answer:

it is rational

Step-by-step explanation:

(√2+√3)(√2-√3)= (a-b)(a+b)

                           =a²- b²

                            = (√2)² -- (√3)²

                            =2-3

                            = ( -1 )

rational no can be negative or positive