Study Companion

Set, relation function Additional Question bank
Q.2) Represent the following sets in set notation: – Set of all alphabets in English language, set of all odd integers less than 25, set of all odd integers, set of positive integers x satisfying the equation x²+5x+7=0 :
a) A = {x:x is an alphabet in English}, I = {x:x is an odd integer>25}, I = {2, 4, 6, 8 ….} I = {x: x²+5x+7=0 } b) A={x:x is an alphabet in English}, I = {x:x is an odd integer<25}, I = {1, 3, 5, 7 ….} I = {x: x²+5x+7=0 } c) A = {x:x is an alphabet in English}, I = {x:x is an odd integer £ 25}, I = {1, 3, 5, 7 ….} I = {x: x²+5x+7=0 } d) none Solution :