Question

What is the following product? (5 startroot 2 endroot minus 4 startroot 3 endroot) (5 startroot 2 endroot minus 4 startroot 3 endroot)

Answer 1

Explanation:

(5√2 - 4√3) (5√2 - 4√3)

= (5√2)² - 20√6 - 20√6 + (4√3)²

= 50 - 40√6 + 48

= 98 - 40√6