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Find all pairs of real numbers such that x + y = 10 and x^2 + y^2 = 56 + 2xy.
For example, to enter the solutions and , you would enter "(2,4),(-3,9)" (without the quotation marks).

 Aug 3, 2022
 #1
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Here's Geno's answer  : https://web2.0calc.com/questions/find-all-pairs-x-y-10-of-real-numbers-such-that-x

 

The solutions are

 

( 5 + sqrt 3 , 5-sqrt 3)  and (5 -sqrt 3  , 5 + sqrt 3)

 

 

cool cool cool

 Aug 3, 2022

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