`(e^(2x-e^(-2x)))/(e^(2x)+e^(-2x))`

Statement I Range of f(x) = x((e^(2x)-e^(-2x))/(e^(2x)+e^(-2x))) + x^(2) + x^(4) is not R. Statement II Range of a continuous evern function cannot be R. (a)Statement I is correct, Statement II is also correct, Statement II is the correct explanation of Statement I (b)Statement I is correct, Statement II is also correct, Statement II is not the correct explanation of Statement I

int(e^(x)-e^(-2x))/(e^(2x)+e^(-2x))dx

int(e^(2x)+e^(-2x))/(e^(x)+e^(-x))dx=

If y = (e^(x)-e^(-x))/(e^(x)+e^(-x)) then prove that y = (e^(2x)-1)/(e^(2x)+1) .

(e^(2x)+2e^(x)+1)/(e^(x))

If int (e^(x)-e^(-x))/(e^(2x)+e^(-2x))dx=A ln |(e^(x)+e^(-x)+B)/(e^(x)+e^(-x)-B)|+c then AB=

int (e^(x)-e^(-x))/(e^(2x)+e^(-2x))dx=A log|(e^(x)+e^(-x)+a)/(e^(x)+e^(-x)-a)|+c then (A,a) =

Find the value of (d)/(dx)(x(e^(x)+e^(4x))/(e^(x)+e^(-2x))) .

Evaluate: int(e^(2x)+e^(4x))/(e^x+e^(-x))dx