Find the domain of definition of
`log_e.(2+x)/(2-x)`

Find the domain of definition of f(x)=log_e.(1-x)/(1+x). Further show that, f(x_1)+f(x_2)=f((x_1+x_2)/(1+x_1x_2)),x_1,x_2 in (-1,1)

Find the domain of definition of f(x)=log_e ((1-x)/(1+x)) Further show that f(x_1)+f(x_2)=f((x_1+x_2)/(1+x_1x_2)) , x_1,x_2 in (-1,1)

The function f(x) is defined in 0 le x le1, find the domain of definition of f(2x-1)

The function f(x) is defined in 0 le x le1, find the domain of definition of f(x^2)

Find the domain of definition of the function f(x) = log_10 log_10 log_10 { (x + 1)(x - 2)} .

Find the domain of definition of the function f(x)=1/(ln(1-x))+sqrt(x+2)

Find the domain of definition of phi(x)=cos^-1.(x-4)/(3)+log(5-x)

Find the domain of definition of the function y(x) given by the equation 2^x +2^y = 2 .

Find the domain of definition of the function y(x) given by the equation 2^x+2^y =2

Find the domain of definition of the function f(x)=(1)/sqrt(x^2-4x)