1.

If |x|<1 and |y|<1, find the sum of infinity of the following series: (x+y) + (x​​​​​​2+xy+y​​​​​​2) + (x​​​​​​3+x^2y+xy^2+y^3) + ....

Answer»

If |x|<1 and |y|<1, find the sum of infinity of the following series: (x+y) + (x​​​​​​2+xy+y​​​​​​2) + (x​​​​​​3+x^2y+xy^2+y^3) + ....



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