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Question
secondary 2 | Maths
2 Answers Below
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Date Posted: 3 years ago
Views: 237
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(x+y)^2 = x^2 + 2xy + y^2
x^2 + y^2 = 20
2xy = 24/2 = 12
Therefore, (x+y)^2 = 20 + 12 = 32
x^2 + y^2 = 20
2xy = 24/2 = 12
Therefore, (x+y)^2 = 20 + 12 = 32
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