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08-01-2021
Mathematics

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If x+y = 5 and xy = 6 , find (x³+y³)

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Аноним Аноним

08-01-2021

Answer:

x²+y²=13

Step-by-step explanation:

x+y=5

now,

squaring both side

(x+y)²=5²

x²+2.x.y+y²=25

x²+y²+2×6=25 (putting value of xy=6)

x²+y²=25-12

x²+y²=13

hope it helps.

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