`int_(log(1/2))^(log2) log(x+sqrt(x^2+1))dx=` (A) `2log2` (B) `1-log2` (C) `1+log2` (D) `0`

int_-1^1 log(x+sqrt(x^2+1))dx

int_(-1)^(1)log(x+sqrt(x^(2)+1))dx=?

int_(0)^(1)(log x)/(sqrt(1-x^(2)))dx

int_(0tooo) log(1+x^2)/(1+x^2) dx equals-(A) log2(B) -a log2(C) 1/2 log2(D) -A/2 log2

int_(0)^(1)(logx)/(sqrt(1-x^(2)))dx=-(pi)/(2)(log2)

int_(1)^(2)(1)/(x sqrt(log x))dx =

int_0^1 log(sqrt(1+x)+sqrt(1-x))dx= (A) 1/2(log2-pi/2+1) (B) 1/2(log2+pi/2+1) (C) 1/2(log2+pi/2-1) (D) none of these

int_2^4 log[x]dx is (A) log2 (B) log3 (C) log5 (D) none of these

int(log x-1)/((log x)^(2))dx

int_((1)/(2))^(2)(ln x)/(1+x^(2))dx