Algebra
find the sum of n terms of series (a+b)+(a^2+2b)+(a^3+3b)+.....
find the sum of n terms of series (a+b)+(a^2+2b)+(a^3+3b)+.....
1 Answer
Chetan Mandayam Nayakar
sum of n terms of series = sum of n terms of a+a^2 +a^3...a^n +b(1+2+3...n)=a(a2-1)/(a-1) +bn(n+1)/2
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algebra
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