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Paragraph: If a x b then 1 a 1 x 1 ~b provided a & ~b are of same sign but if a and b are of opposite sign then 1 x (- , 1 a ] [ 1 ~b ,- ) . On the basis of above information, answer the following : Question: If 2 3 x 4 5 then 4-3 x x belongs to -

Options

  1. A[-3,-2]
  2. B[2,3]
  3. C[ 1 3 , 1 2 ]
  4. D[- 1 2 ,- 1 3 ]

Correct answer

B. [2,3]

Step-by-step solution

2 3 x 4 5 3 2 1 x 5 4 6 4 x 5 3 4 x -3 2 2 4-3 x x 3

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