Question

Tolong dong kalau bisa semua kanda please

Answer 1

A) = 1/5-√3 × 5+√3/5+√3
= 5+√3 / 25-3
= 5+√3 / 22

b) = 4-√2/4+√2 × 4-√2/4-√2
= 16-4√2-4√2+2 / 16-2
= 18-8√2 / 14

c) = 2a/3a+√5 × 3a-√5/3a-√5
= 6a²-2a√5 / 9a²-5

d) = √3/√5-√10 × √5+√10/√5+√10
=  √15+√30 / 5-10
=  √15+√30 / -5

e) = xy/√x+√y × √x-√y/√x-√y
= xy√x-xy√y / x-y

f)