NCERT solutions class 10 Real Numbers exercise 1.3

Q1. Prove that `sqrt{5}` is irrational.

Solution 1

Q2. Prove that 3 + `2sqrt{5}` is irrational.

Solution 2.

Q3. Prove that the following are irrationals: (i) `frac{1}{sqrt{5}}` (ii) 7 `sqrt{5}`(iii) 6 + `sqrt{2}`

Solution 3.

‹Exercise 1.2 Exercise 1.4›

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