NCERT Exercise 1.4 - Q5 - Number Systems

Question: Rationalise denominators: (i) 1/sqrt(7) (ii) 1/(sqrt(7)-sqrt(6)) (iii) 1/(sqrt(5)+sqrt(2)) (iv) 1/(sqrt(7)-2)

Answer: (i) sqrt(7)/7 (ii) sqrt(7)+sqrt(6) (iii) (sqrt(5)-sqrt(2))/3 (iv) (sqrt(7)+2)/3.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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