Question

(√2-√3 ) ( ( √3+√2) is

Answer 1

Answer:

The answer is $-1$

Step-by-step explanation:

  $(\sqrt 2-\sqrt 3)(\sqrt 3+\sqrt 2)$

$=(\sqrt 2-\sqrt 3)(\sqrt 2+\sqrt 3)$

$=(\sqrt 2)^2-(\sqrt 3)^2$ using $(a-b)(a+b)=a^2-b^2$

$=2-3$, since $(\sqrt a)^2=\sqrt{a^2}=a$

$=-1$