Question

I beg someone help me on the question

Answer 1

Your answer is R=8,S=3

Answer 2

r=8, s=3

Explanation:

(5+√2)/(4+√8)=

(5+√2)/(4+2√2)=

(5+√2)/2(2+√2)=

(5+√2)(2-√2)/2(2-√2)(2+√2)=

(10-5√2+2√2-2)/2(4-2)=

(8-3√2)/4 ⇔ (r-s√2)/4

r=8, s=3