If |x|<1 and |y|<1, find the sum to infinity of the series (x+y)+(x2+x

1.	If \|x\|<1 and \|y\|<1, find the sum to infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)+... . Or Find the sum to n terms of the series 11.3+13.5+15.7+... .
Answer» If $\| x \| < 1$ and $\| y \| < 1,$ find the sum to infinity of the series $(x + y) + (x^{2} + x y + y^{2}) + (x^{3} + x^{2} y + x y^{2} + y^{3}) + . . . .$ Or Find the sum to n terms of the series $\frac{1}{1.3} + \frac{1}{3.5} + \frac{1}{5.7} + . . . .$

If |x|<1 and |y|<1, find the sum to infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)+... . Or Find the sum to n terms of the series 11.3+13.5+15.7+... .

Answer»

If $| x | < 1$ and $| y | < 1,$ find the sum to infinity of the series

$(x + y) + (x^{2} + x y + y^{2}) + (x^{3} + x^{2} y + x y^{2} + y^{3}) + . . . .$

Find the sum to n terms of the series $\frac{1}{1.3} + \frac{1}{3.5} + \frac{1}{5.7} + . . . .$

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If |x|&lt;1 and |y|&lt;1, find the sum to infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)+... . Or Find the sum to n terms of the series 11.3+13.5+15.7+... .

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If |x|<1 and |y|<1, find the sum to infinity of the series (x+y)+(x2+xy+y2)+(x3+x2y+xy2+y3)+... . Or Find the sum to n terms of the series 11.3+13.5+15.7+... .