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A question has the last part like the difference between 2 terms is 9 and the product of two numbers is 14. What is the squares of sums of numbers?

• 137
  
  Given, x-y=9 ---(i) & xy=14 ---(ii)
  Squaring (i), x^2-2xy+y^2=81 or x^2+y^2=81+2xy=81+2*14=109
  Square of the sum of numbers=(x+y)^2=x^2+y^2+2xy=109+2*14=137
• 10 years agoHelpfull: Yes(0) No(0)
• its 53
  let x and y are two numbers.
  then
  x-y=9
  x*y=14
  (x-y)^2=x^2+y^2-2*x*y
  81=x^2+y^2-28
  X^2+Y^2=53
• 10 years agoHelpfull: Yes(0) No(0)