Out of the fallowing irrationals, which has sum and product both rationales?
(a) √3 +5 and √3 – 5
(b) √3 + √5 and √3 – √

1 thought on “Out of the fallowing irrationals, which has sum and product both rationales?<br />(a) √3 +5 and √3 – 5<br />(b) √3 + √5 and √3 – √”

1. Answer:

   (c) 5+√3 and 5 -√3

   Step-by-step explanation:

   (c) 5+√3 and 5 -√3

   • Sum = 5+√3 + 5 -√3

   = 5 + 5 + √3 – √3

   = 10 , is a rational number.

   • Product = (5 + √3)(5 – √3)

   = 5² – (√3)²

   = 25 – 3

   = 22 , is a rational number.

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