find the sum of the following AP
x -y 3x - 2y 5x - 3y
... to n terms
x + y x+y
x+y
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Answer:
x-y(5x-3x)(-3y-2y)
x-y(2x)(-5y)
3x-6y
x+y x+y x+y=3x+3y
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