NCERT Exercise 1.1 Q4 - Sets

Question: Write in set-builder form: (i) {3, 6, 9, 12}; (ii) {2, 4, 8, 16, 32}; (iii) {5, 25, 125, 625}; (iv) {2, 4, 6, ...}; (v) {1, 4, 9, ..., 100}.

Answer: (i) {3n : n in N, 1 <= n <= 4}; (ii) {2^n : n in N, 1 <= n <= 5}; (iii) {5^n : n in N, 1 <= n <= 4}; (iv) {2n : n in N}; (v) {n^2 : n in N, 1 <= n <= 10}.

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

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