1 votes 1 votes In the following system of equations $2^{y-x} \left(x+y \right)=1$ & $\left(x+y \right)^{x-y}=2$ the value of $xy$ is : $\frac{1}{2}$ $\frac{3}{4}$ $\frac{1}{4}$ $1$ Quantitative Aptitude nielit2019feb-scientistd quantitative-aptitude system-of-equation + – Lakshman Bhaiya asked Apr 3, 2020 • recategorized Nov 8, 2020 by Krithiga2101 Lakshman Bhaiya 13.7k points 491 views answer comment Share See all 0 reply Please log in or register to add a comment.