NCERT Exercise 1.4 Q1 - Sets
Question: Find unions: (i) {1,3,5} union {1,2,3}; (ii) vowels union {a,b,c}; (iii) multiples of 3 in N union natural numbers less than 6; (iv) {x in N : 1<x<=6} union {x in N : 6<x<10}; (v) {1,2,3} union empty set.
Answer: (i) {1,2,3,5}; (ii) {a,b,c,e,i,o,u}; (iii) {1,2,3,4,5,6,9,12,...}; (iv) {2,3,4,5,6,7,8,9}; (v) {1,2,3}.
Full step-by-step NCERT solution with diagrams on Something by Zero.