Question

1 / (7+3√3) rationalise the demonstration ​

Answer 1

Answer:

Step-by-step explanation:

1 / (7 + $3\sqrt{3}$) =

1 * (7 -$3\sqrt{3}$) / (7 + $3\sqrt{3}$)(7 - $3\sqrt{3}$) =

7 -$3\sqrt{3}$  /  $7^{2}$  + $(3\sqrt{3}) ^{2}$ =

7 -$3\sqrt{3}$ / 49 + 27

7 -$3\sqrt{3}$ / 76