JEE Main 2025 Mathematics question
Let and . Then is equal to :
Answer: (3)
Solution
A gives with 4 solutions in the domain. B gives x = 0, 1, 9, 16 (4 solutions). Total n(A∪B) = 8.
Let and . Then is equal to :
A gives with 4 solutions in the domain. B gives x = 0, 1, 9, 16 (4 solutions). Total n(A∪B) = 8.