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Root 2 +root 3 whole square is a rationalno. Or iirrational no.
Answers (1)
Since (√2+√3)2= (√2)2+(√3)2+2×√2×√3
=2+3+2√6
=5+2√6
Now we know that the sum of a rational and an irrational number is always irrational so 5+2√6 is an irrational number.
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