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- Need explanation for: - Sets, Relations and Functions - JEE Main-11
- #All India Pre Medical Test
- #Maths
- #Sets, Relations and Functions
- #Joint Entrance Examination Main
- #Engineering
If A={1,5,7} and B={5,7,9}.and U={1,3,5,7,9}. Also,. Then find
- Option 1)
{1,5,7,9}
- Option 2)
{5,7}
- Option 3)
{1,3,9}
- Option 4)
{1,3,5,7,9}
Answers (1)
As we learnt
DE MORGAN’S LAW -
(A ∩ B)′ = A′ ∪ B′
-
A'={3,9} and B'={1,3} since universal set if given.Thus C'=(A ∩ B)′ = A′ ∪ B′={1,3,9}
Option 1)
{1,5,7,9}
Option 2)
{5,7}
Option 3)
{1,3,9}
Option 4)
{1,3,5,7,9}
View full answer
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