Question

7+3√5/7-3√5
rationalize ​

Answer 1

7' 457 ( 1235,)00000000

Answer 2

(7+3√5)/(7-3√5)

By rationalising the denominator,

(7+3√5)(7+3√5)/(7-3√5)(7+3√5)

=(7+3√5)²/(7)²-(3√5)²

=(49+45+42√5)/49-45

=(94+42√5)/4

=(47+21√5)/2

Hope its correct