show that the sum of 3 + root 5 and 3 minus root 5 is a rational number 3 + root 5 and 3 minus root 5 is rational number
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(3+√5)+(3-√5)
=3+√5+3-√5
=6 which is a rational number
[PROVED]
=3+√5+3-√5
=6 which is a rational number
[PROVED]
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