Question

If x + y = 12 and xy = 14, find the value of (x+y).​

Answer 1

Answer:

Given,x+y=12 and xy=14

   x+y=12 

Squaring both sides, we get,

   (x+y)2=122

=>x2+y2+2xy=144

=>x2+y2+2(14)=144

=>x2+y2=144−28

=>x2+y2=116

Hope this will help you