Question

show that 3-√5and √3+√5 are irrational number​

Answer 1

Answer:

3

is a rational number whereas √5

is an irrational number and we know that the sum of rational and irrational number is irrational. hence the whole expression 3-√5 is irrational. same is for the second because the sum of rational and irrational number is always irrational