Statement-1: The function ${\mathrm{x}}^2({\mathrm{e}}^{\mathrm{x}}+{\mathrm{e}}^{-\mathrm{x}})$ is increasing for all $\mathrm{x}>0.$

Statement-2: The functions ${\mathrm{x}}^2{\mathrm{e}}^{\mathrm{x}}$ and ${\mathrm{x}}^2{\mathrm{e}}^{-\mathrm{x}}$ are increasing for all $\mathrm{x}>0$ 
and the sum of two increasing functions in any interval (a, b) is an increasing function in (a, b).

Statement-1 is false and the Statement-2 is true

Statement -1 is true and the Statement-2 is false

Statement-1 is true, Statement-2 is true and the Statement 2 is not the correct explanation of the Statement 1.

Statement-1 is true, Statement-2 is true and the Statement-2 is true explanation of the Statement-1.