Question

1. √12 + √3
2. √18 + √8
3. √45 - √20 + √5


tolong tulisin caranya pliss

Answer 1

1).
√12+√3
=√4√3+√3
=2√3+√3
=(2+1)√3
=3√3

2).
√18+√8
=√9√2+√4√2
=3√2+2√2
=(3+2)√2
=5√2

3).
√45-√20+√5
=√9√5-√4√5+√5
=3√5-2√5+√5
=(3-2+1)√5
=2√5