Let `a, b and c` be three positive real numbers such that their product is unity, then the least value of `(1 + a)(1+b)(1+c)` is

Let alpha,beta,gamma and delta are four positive real numbers such that their product is unity, then the least value of (1+alpha)(1+beta)(1+gamma)(1+delta) is :

Let alpha,beta,gamma and delta are four positive real numbers such that their product is unity,then the least value of (1+alpha)(1+beta)(1+gamma)(1+delta) is :

If a, b, c are positive real numbers such that a+b+c=1 , then the greatest value of (1-a)(1-b)(1-c), is

If a, b, c are positive real numbers such that a+b+c=1 , then the greatest value of (1-a)(1-b)(1-c), is

If a b c are positive real numbers such that a+b+c=1 then the least value of ((1+a)(1+b)(1+c))/((1-a)(1-b)(1-c)) is

If a and b are positive real numbers other than unity, then the least value of |"log"_(b) a + "log"_(a) b| , is

If a and b are positive real numbers other than unity, then the least value of |"log"_(b) a + "log"_(a) b| , is

If a,b,c,d are four positive real numbers such that abcd =1 then find the least value of (a+4) ( b+4) ( c+4) (d+4) .