Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 2 | Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
need help with this question. thankss
Date Posted: 3 years ago
Views: 180
See 1 Answer
xy =28
x^2 + y^2 =65
(x + y)^2=x^2 + 2xy + y^2
=2(28) + 65
=121
x^2 + y^2 =65
(x + y)^2=x^2 + 2xy + y^2
=2(28) + 65
=121
360 Tutoring Program