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Q) Prove that 2 + √3 is an irrational number, given that √3 is an irrational number.

Ans: Let us assume that 2 + √3 is a rational number

Let 2 + √3 =  Prove that 2 + √3 is; q ≠ 0 and p, q are integers

Prove that 2 + √3 is √3 = Prove that 2 + √3 is

Since, p and q are integers; Therefore p – 2q is an integer

Therefore, Prove that 2 + √3 is is a rational number

Prove that 2 + √3 is √3 is a rational number

But it contradicts given condition that √3 is an irrational number

Therefore, 2 + √3 is an irrational number

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