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13-04-2021
Mathematics

contestada

If x2+y2=40 and xy=5 then find(x+y)2

Respuesta :

reeserl reeserl

13-04-2021

Answer:

(x + y)^2 = 45

Step-by-step explanation:

[tex](x + y)^{2} = x^{2} +xy + y^{2}[/tex]

= 40 + 5 = 45

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