7.Given that ✓3 is an irrational number prove that (2+✓
3) is an irrational
number
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assume that 2+√3 as rational no
then 2+√3=p/q
√3=p/q-2
√3=p-2q/q
here p-2q/q is rational no but √3 is a irrational no therefore 2+√3 is a irrational no
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