assalamualaikum tolong jawab

(3√5 + 4√2)²
= (3√5 + 4√2) (3√5 + 4√2)
= 9√25 + 12√10 + 12√10 + 16√4
= 9(5) + 24√10 + 16(2)
= 45 + 24√10 + 32
= 77 + 24√10

(3akar5 + 4akar2 )^2 = (3akar5 + 4akar2 ) (3akar5 + 4akar2 ) = 9akar25 + 12akar 10 + 12akar10 + 16akar4 = 45 + 24akar10 + 32 = 77 + 24akar10