The integer  for which the inequality  is valid for  any , is Option 1) 2 Option 2) 3 Option 3) 4 Option 4) None of these

As learnt in concept

Complex Roots with non - zero Imaginary part -

- wherein

Here

Thus

Thus m can be 2, 3,4

Option 1)

2

This is incorrect option

Option 2)

3

This is correct option

Option 3)

4

This is incorrect option

Option 4)

None of these

This is incorrect option

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