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Answered

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If x2 + y2=6 , xy = 5 , then (X + y)2?



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Sagot :

ghanami

Answer:

(x + y)² =16

Step-by-step explanation:

hello :

(x + y)² = x²+y²+2xy   and : x²+y² = 6     xy = 5

(x + y)² = 6+2(5)

(x + y)² =16    

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