(1+√5) - ( 4+ √5 ) rational or irrational number ? EXPLAIN....
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Answer:
rational
Step-by-step explanation:
1+root5-(4+root5)
=1+root5-4-root5
=1-4 +(root5-root5)
=-3+0
=-3
as -3 is a rational number, (1+root5)-(4+root5) is rational
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