Question

2
+
$(3 - \sqrt{2} )(3 + \sqrt{2} )$
​

Answer 1

Answer:

2+ ( 3 - sqrt{2} )( 3 + sqrt{2} )

= 2 + ( 3² - (sqrt{2})²)

= 2 + 9 - 2 [ sqrt(2) × sqrt(2) = 2 ]

= 9 ( answer)