Question

ifx-y=5 and xy=14 then find x²+y² answer=53​

Answer 1

Answer:

Step-by-step explanation:

given- x-y=5

given- xy=14

if x-y =5

so (x-y)^2 = 5^2

x^2 + y^2 - 2xy = 25                            ((*x-y)^2=x^2 + y^2 - 2xy )

x^2 + y^2 -2(14) =25

x^2 + y^2 - 28 = 25

x^2 + y^2 = 25+28

x^2 + y^2 = 53

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Answer 2

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