1/3 akar 2 ditambah 1/2 akar 8

Materi : Akar dan pangkat

Pembahasan :
1/3 √2 + 1/2 √8
= 1/3 √2 + 1/2 √(4.2)
= 1/3 √2 + 1/2 . 2√2
= 1/3 √2 + √2
= 4/3 √2

1/3√2 + 1/2√8
= 1/3√2 + 1/2√4×2
= 1/3√2 + 1/2√2²×2
= 1/3√2 + 1/2×2√2
= 1/3√2 + 1/4√2
= (1/3+1/4)√2
= (4/12+3/12)√2
= 7/12√2