Question

4root 3+5root2. / Root 48 + root18

Answer 1

Sol: ⇒ (4√3+5√2) / (√48+√18)  rationalize numarator and denominator (4√3-3√2) ⇒ [(4√3+5√2) / (4√3+3√2)] [ (4√3-3√2) / (4√3-3√2) ] ⇒ (48-12√6+20√6-30) / (48-18) ⇒ (18 + 8√6) / 30 ⇒ (9 + 4√6) / 15