ITF

f(x) = tan^-1 [(x² + 1) / (x² + âˆš3)]

1) Range contains NO natural no.

2) Range contains atleast one integer

TRUE/FALSE

2 Answers

1âˆš3 â‰¤ x²+1x²+âˆš3 < 1

tan^-11âˆš3 â‰¤ tan^-1x²+1x²+âˆš3 < tan^-11

pi6 â‰¤ tan^-1x²+1x²+âˆš3 < pi4

So ans is

1) TRUE

2) FALSE

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