1.

If 0 lt a lt b lt ( pi )/(2) and f(a,b) = ( tan b - tan a )/( b-a), then which of the following are not correct .

Answer»

`F(a,B) ge 2`
`f(a,b) gt 1`
`f(a,b) le1`
`f(a,b) =0`

Answer :A::C::D


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