If |a|<1a n d|b|<1, then the sum of the ...

If `|a|<1a n d|b|<1,` then the sum of the series `1+(1+a)b+(1+a+a^2)b^2+(1+a+a^2+a^3)b^3+...` is

If |a|<1a n d|b|<1, then the sum of the series 1+(1+a)b+(1+a+a^2)b^2+(...
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If |a|<1 and |b|<1, then the sum of the series 1+(1+a)b+(1+a+a^2)b^2+(...
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If (sqrt(3)-\ 1)/(sqrt(3)+\ 1)=a-b\ sqrt(3) , then a=2,\ b=1 (b) a=2,...
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If |a|<1 and |b|<1, then the sum of the series a(a+b)+a^(2)(a^(2)+b^(2...
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The sum of n terms of series ab+(a+1)(b+1)+(a+2)(b+2)+…+(a+(n-1)(b+(n-...
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If | |a| lt 1 "and " |b| lt 1 then the sum of the series 1+(1+a)b+(1+a...
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If |a|<1a n d|b|<1, then the sum of the series 1+(1+a)b+(1+a+a^2)b^2+(...
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The sum of n terms of series ab+(a+1)(b+1)+(a+2)(b+2)+…+(a+(n-1))(b+(n...
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If | |a| lt 1 "and " |b| lt 1 then the sum of the series 1+(1+a)b+(1+a...
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