Question

give me the answer ​

Answer 1

Step-by-step explanation:

5+√3

3+√6

We should rationalise the denominator

5+√3×3-√6

3+√6×3-√6

15-5√6+3√3-√18

[3]^2-[6]^2

15-5√6+3√3-√18

9-36

15-5√6+3√3-√18

-27