The value of `loga b-log|b|=` `loga` (b) `"log"|a|` (c) `-loga` (d) none of these

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

If f(x)={(log(1+a x)-log(1-b x))/x\ \ \ ,\ \ \ x!=0,\ \ \ \ \ \ \k\ \ \ \ \ \ \ \ \ \ \ \ \ \ ,\ \ \ \ \ \ \ \ \ \ \ x=0 and f(x) is continuous at x=0 , then the value of k is a-b (b) a+b (c) loga+logb (d) none of these

If x,y,z are in G.P.and a^(x)=b^(y)=c^(z), then (a) log ba=log_(a)c(b)log_(c)b=log_(a)c(c)log_(b)a=log_(c)b(d) none of these

The value of log(log_(b)a.log_(c)b*log_(d)c.log_(a)d)is

If p>1 and q>1 are such that log(p+q)=log p+log q ,then the value of log(p-1)+log(q-1) is equal to (a)0(b)1 (c) 2(d) none of these

If a,b,c,d in R^(+-){1}, then the minimum value of (log)_(d)a+(log)_(b)d+(log)_(a)c+(log)_(c)b is (a)4(b)2(c)1( d) none of these

The value of "log"_(b)a xx "log"_(c) b xx "log"_(a)c , is