find the sum to n terms of series 1 + 2/3 + 3/3² + 4/3³
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Sum = 68/27
Convert to like fractions and then do simple addition of numerators
Convert to like fractions and then do simple addition of numerators
Answered by
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Step-by-step explanation:
a=1,d=-1/3,n=4,sum of n term=?
sum.of n term=n/2(2a+(n-1)d)
=4/2(2*1+(4-1)-1/3)
=2( 2+3*-1/3)
=2( 2-1)
=2*1
=2_____Ans
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