Prove that 2√3 + 3 is an irrational number. class 10 real numbers
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Lets Assume that 2√3+3 is rational
2√3+3= a/b, where a and b are co-prime integers.
2√3= a/b -3
2√3= a-3b/b
√3= a-3b/2b
Here, a-3b/2b is rational. but this contradicts the fact that √5 is irrational.
Thus, Our Assumption is wrong, i.e., 2√3+3 is an irrational number
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