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JEE Main2013MathematicsTrigonometric EquationsActual

Let A = : ( )= ( ) and B =( : ( )= 1 be two sets. Then:

Options

  1. AA = B
  2. BA B
  3. CB A
  4. DA B and B-A

Correct answer

B. A B

Step-by-step solution

Let A = : = and B = : =1 Now, A= : = = : ( -1)=0 = =0, , 2 , 3 , For B : =1 = , 2 , 4 , This shows that A is not contained in B. i.e. A B . but B A .

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