Solving a 'Germany' Math olympiad question (x,y)=?

[@AlbertoDiJanni]

Is it so easy to enter Stanford?

[@AsadInternationalAcademy]

yes, dear. this math olympiad question is easy for each exam

[@AsadInternationalAcademy]

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[@DanielEdwinsson]

X1=10+56^0.5 Y1=10-56^0.5 X2=10-56^0.5 Y2=10+56^0.5

[@AsadInternationalAcademy]

ok dear

[@AsadInternationalAcademy]

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[@JoaoCaetanon-mc6hu]

Is it true that these questions are from Stanford?

[@tatopolosp]

😂😂 solved mentally looking at the thumbnail

[@AsadInternationalAcademy]

this is math olympiad question appeared in exam

[@AsadInternationalAcademy]

Watch 110+ most important olympiad questions with solutions by just clicking on the link below kzbin.info/aero/PLybCHBiqtqWP-TrcsG21MXXxlknROi514 Don't forget to share this link with your classmates so that they also have a benefit of it. Please, like and subscribe this channel including pressing bell icon to get the notification of new video!

[@AsadInternationalAcademy]

ok dear

[@AsadInternationalAcademy]

Watch 110+ most important olympiad questions with solutions by just clicking on the link below kzbin.info/aero/PLybCHBiqtqWP-TrcsG21MXXxlknROi514 Don't forget to share this link with your classmates so that they also have a benefit of it. Please, like and subscribe this channel including pressing bell icon to get the notification of new video!

[@SergioosvaldoAlves]

17,5 e 2,5 ?

[@sebastianaguilera1944]

Si, se pueden alargar las comas hasta el infinito, lo consegui aolo usando la calculadora xd

[@AsadInternationalAcademy]

see the solution

[@AsadInternationalAcademy]

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[@AsadInternationalAcademy]

Watch 110+ most important olympiad questions with solutions by just clicking on the link below kzbin.info/aero/PLybCHBiqtqWP-TrcsG21MXXxlknROi514 Don't forget to share this link with your classmates so that they also have a benefit of it. Please, like and subscribe this channel including pressing bell icon to get the notification of new video!

[@key_board_x]

x + y = 20 ← this is the sum S xy = 44 ← this is the product P x & y are the solution of the equation: z² - Sz + P = 0 → where S is the sum and where P is the product z² - 20z + 44 = 0 Δ = (- 20)² - (4 * 44) = 400 - 176 = 224 = 16 * 14 z = (20 ± 4√14)/2 z = 10 ± 2√14 z = 2.(5 ± √14) ← these are x & y First solution: x = 2.(5 + 2√14) → y = 2.(5 - √14) Second solution: x = 2.(5 - √14) → y = 2.(5 + √14)

[@AsadInternationalAcademy]

good dear, thanks

[@AsadInternationalAcademy]

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[@elmisterdesafio8504]

y=44/x x+44/x=20 x²-20x+44=0 x²-2×10x+10²-(√56)²=0 (x-10)²-√56²=0 (x-10+√56)(x-10+√56)=0 x=10±√56 y=10±√56

[@AsadInternationalAcademy]

great job, thanks

[@AsadInternationalAcademy]

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[@ngocdo5687]

x + y = 20 , xy = 44; x,y = ? *. 44 = 2x22 = 4x11 22 - 2 = 20 = x + y **. x = 22 , y =2 ./.

[@AsadInternationalAcademy]

ok dear

[@ahmedali-tm6hg]

You can just put x=44/y

[@AsadInternationalAcademy]

nice idea, thanks

[@AsadInternationalAcademy]

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[@mianrisa]

x y=40 esta mal definido , las soluciones presentadas no corresponden, esto es para confundir al lector ?

[@AsadInternationalAcademy]

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[@AsadInternationalAcademy]

no, it's easy to understand dear

[@cesarjesusvarelapereira3823]

Maths for 7 y old kids...

[@AsadInternationalAcademy]

yes, this is easy dear

[@AsadInternationalAcademy]

Watch 110+ most important olympiad questions with solutions by just clicking on the link below kzbin.info/aero/PLybCHBiqtqWP-TrcsG21MXXxlknROi514 Don't forget to share this link with your classmates so that they also have a benefit of it. Please, like and subscribe this channel including pressing bell icon to get the notification of new video!

[@cesarjesusvarelapereira3823]

@@AsadInternationalAcademy Not easy, it is just for kids :D