Question

Show that the sum and product of two irrational numbers (5+root 2) ( 5-root 2

Answer 1

sum is( 5+root2) + (5_root 2)

5+root2 +5_ root 2 = 10

product is ( 5+root 2 ) (5_ root 2)

5^2 _ root 2^2

25_2=23