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= 2x^2/ xy + 3y^2/ xy
= 2x^2 + 3y^2
----------------
xy
(d)
4) 2(-1)^2 + 3(-3) - 6(9)
= 2 -9 - 54
= -61
2x . x = 2x(kuadrat)
3y . y= 3y(kuadrat)
=2x(kuadrat) + 3y(kuadrat) / xy
=a
4. 2(-1)kuadrat + 3(-3) - 6(9)
=2(1)+(-9)-54
=-61