Question

Hasil dari (√3+√5) pangkat 2 adalah...
a. 8+2√15
b. √8
c. 12√6 per 6
d.2√6+√3

Answer 1

Verified answer

(a+b)^2 = a^2 +2ab + b^2

Jadi
3 + 2sqrt(3*5) + 5
8 + 2sqrt(15)

A

Answer 2

Verified answer

(√3+√5)²
= (√3)²+2.(√3.√5)+(√5)²
= 3 + 2√15+ 5
= 8+2√15