Question

Ka tolong jawab semaximal mngkin yaa

Answer 1

Verified answer

No 1.
3akar2 + 5 / 3 - 2akar2
kalikan dgn 3 + 2akar2 / 3+2akar2
=(3akar2 + 5)(3+ 2akar2)/(9-4.2)
=9 akar2 + 12 + 15 + 10 akar2 per 9-8
=19akar2 + 27
no.2
2 akar 5/akar10
kalikan akar10/akar10
=2akar 5x10 / 10
=2akar 25x2 / 10
=2x5 akar 2 / 10
=10 akar 2 / 10
=akar 2