Question

classify the following numbers as rational or irrational with justification (1+root5) - (4+root5)​

Answer 1

Answer:

$(1 + \sqrt{5} ) - (4 + \sqrt{5} ) \\ 4 + \sqrt{5} - 4 \sqrt{5} + 5 \\ 4 + 5 - 4 \sqrt{5} - \sqrt{5} \\ 9 - 3 \sqrt{5} \\ 6 \sqrt{5}$

this is irrational number

Step-by-step explanation:

ok

Answer 2

Answer:

The following number is an irrational

Because mathematical operations between an rational and a irrational always give an irrational.(In case of zero, mathematical operations always give only one rational, i.e. 0.)

Step-by-step explanation: