Math, asked by mdshahwazknowx69671, 6 months ago

If x+y=10 and xy=20 then x²+y²=

Answers

Answered by gomastha385

1

Answer:

60

Step-by-step explanation:

x+y=10

xy=20

x²+y²=?

now,

x²+y²

(x)²+(y)²

(x+y)²-2xy

(10)²-2*20

100-40

60

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