pratiksapkota146
pratiksapkota146 pratiksapkota146
  • 14-11-2021
  • Mathematics
contestada

if x+y=5,and xy=10, find the value of x2+y2​

Respuesta :

jaheedssmith jaheedssmith
  • 14-11-2021

Answer:

Step-by-step explanation:

x+y=10-----(1)

xy=5------(2)

dividing (1) by(2)... we get!

x/y+ y/x=10/5

=>2

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silirobert15
silirobert15 silirobert15
  • 14-11-2021

we have :[tex]x^{2} +y^{2} = x^{2} +y^{2} + 2xy -2xy = (x+y)^{2} -2xy = 5^{2} -2.10 =25-20=5[/tex]

ok done. Thank to me :>

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