Question

given (x_y)=5 and xy=36, find the value of x²+y² please do it fast
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Answer 1

Answer:

It can be 50....

Step-by-step explanation:

because given,

x_y= 5

so, we have x^2 + y^2

5^2 + 5^2

25+25

=50.

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Answer 2

Answer:

97

Step-by-step explanation:

We know that

(x - y)² = x² - 2xy + y²

(5)² = x² + y² - (2× 36) [since, (x-y)= 5 and xy=36]

25 = x² + y² - 72

x² + y² = 25+72

x² + y² = 97