prove that 2√5-3 is an irrational number
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Step-by-step explanation:
Let 2 + 5√3 = a, where a is a rational number. Which is a contradiction as LHS is irrational and RHS is rational. ∴ 2 + 5√3 can not be rational. Hence, 2 + 5√3 + is irrational.
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hence proved.
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