NCERT Exercise 1.4 - Q2 - Number Systems
Question: Simplify: (i) (3 + sqrt(3))(2 + sqrt(2)) (ii) (3 + sqrt(3))(3 - sqrt(3)) (iii) (sqrt(5) + sqrt(2))² (iv) (sqrt(5) - sqrt(2))(sqrt(5) + sqrt(2))
Answer: (i) 6 + 3sqrt(2) + 2sqrt(3) + sqrt(6) (ii) 6 (iii) 7 + 2sqrt(10) (iv) 3.
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