Question

Sederhakan akar dari 3/2+√5

Answer 1

Verified answer

3/2 + √5 = 3/2 + 5²
= 3/2 + 25
= 1½+25
= 26 ½

Answer 2

Bab Rasionalisasi Penyebut
Matematika SMP Kelas IX

3 / (2 + √5) = (3/(2 + √5)) . ((2 - √5)/(2 - √5))
                  = (3 (2 - √5)) / (2² - √5²)
                  = (6 - 3√5) / (4 - 5)
                  = (6 - 3√5) / (-1)
                  = 3√5 - 6