Class 10, Maths, Chapter 1, Exercise 1.3, Solutions
Q.1. Prove that $\sqrt{5}$is irrational.
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Q.2. Prove that 3 + 2 $\sqrt{5}$ is irrational.
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Q.3. Prove that the following are irrationals:
(i) $\frac{1}{\sqrt{2}}$
(ii) $7\sqrt{5}$
(iii) $6+\sqrt{2}$
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