Question

Please answer it.
Rationalise the denominator​

Answer 1

3 - √2 / 3 + √2 = 3 - √2 * 3 - √2

3 + √2 3 - √2

= ( 3 - √2 ) ^ 2

(3)^2 - (√2)^2

----------- [ ( a + b ) ( a - b ) = a^2 - b^2 ]

= 9 - 6√2 + 2

9 - 2

= 11 - 6√2

7