Question

If x+y=6 x-y=4 find x ² +y²
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Answer 1

Answer:

x=5andy=6, so

x^2+y^2=5^2+1^2

5^2+1^2=25+1=26

Answer 2

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Sol:-

Given Equations :-

x + y = 6 …… ( 1 )

x – y = 4 …… ( 2 )

From eq 2

x = 4 + y …… ( 3 )

now sub eq 3 in eq 1

then

4 + y + y = 6

2y = 6 – 4

2y = 2

y = 1

now sub y = 1 in eq 3

then

x = 4 + 1

x = 5

then

x² + y² = (5)² + (1)² = 25+1 = 26

Hence, the value of x² + y² is 26

Hope this will help u