Pls solve and answer the question in detail.
Q. If x, y satisfy the equation y x = x y and x = 2 y then x 2 + y 2 5 = ?

Dear Student,

Given: xy=yx and x=2ySo, 2yy=y2y2y×yy=yy×yy                         Using property of exponents: y2=y×y2y=yyOn Compairing, we gety=2Substituting in x=2y, we getx=2×2x=4Now,  x2+y25 = 16+45= 205= 4
Hope this information will clear your doubts about topic.

If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.


  • 0
  • 0
What are you looking for?