Question

x = 3 + 2

and xy =1 then find the value of 2(x² + y²).​

Answer 1

Answer:

102/25

Step-by-step explanation:

x= 3+2 = 5

°•° xy =1

or, y = 1/x

or, y = 1/5 [putting x =5]

°•° 2(x² +y²)

= 2{(5)² + (1/5)²}

= 2(25 + 1/25)

= 2×51/25

= 102/25

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