If x-y=2 and x²+y²=20 then find (x+y)²
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Answer:
Step-by-step explanation:
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Concept Introduction:
The Watt is a unit of measurement for power in the metric system. According to the equation for power, a unit of power is equal to a unit of work divided by a unit of time.
Given:
The given equation is :- x-y=2 and x²+y²=20.
To Find:
We have to find the value of (x+y)².
Solution:
According to question:
f x-y=2 and x²+y²=20
Final Answer:
The value will be 9.
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