Question

Hasil dari 3 akar 75 + akar 72 - 5 akar 27 - 4 akar 18 adalah

Answer 1

Verified answer

Jawab
bentuk akar

3√75  + √72 - 5√27 - 4√18
= 3. (5√3)  +  6√2   -  5 (3√3) - 4(3√2)
= 15 √3 + 6√2 - 15√3 - 12√2
= - 6√3

Answer 2

Verified answer

3V75 + V72 - 5V27 - 4V18
= 3V(25×3) + V(36×2) - 5V(9×3) - 4V(9×2)
= 3V25V3 + V36V2 - 5V9V3 - 4V9V2
= 3(5)V3 + 6V2 - 5(3)V3 - 4(3)V2
= 15V3 + 6V2 - 15V3 - 12V2
= -6V2