If x=ab and y= a+b, where a=5+√ 5,b=5_√5 then find whether x and y are rational or irrational.
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Answer:
hear u go
Step-by-step explanation:
a=√18,. b=√3
X=ab
=√8x√3
=√24
= 2√6. it's rational
y=a/b
=√18/√3
= √6. it's also rational
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