1.

If f(x)=tan^(-1)x-(1//2)logx. Then

Answer»

the least value of f(x) on `[1//SQRT(3),sqrt(3)]` is `pi//6+(1//4)LOG3`
the least value of f(x) on `[1//sqrt(3),sqrt(3)]` is `pi//3-(1//4)log3`
f(x) decreases on `(-oo,0)`
f(x) increases on `(-oo,0)`

ANSWER :B


Discussion

No Comment Found