1.2+2.3+3.4+4.5+.. Find the sum of the following series to n terms
Shivam kumar , 8 Years ago
Grade 11
10 grade maths> 1.2+2.3+3.4+4.5+.. Find the sum of the fo...
1 AnswersVikas TU
Last Activity: 8 Years ago
When U would find te common difference between each term U would get 1.1 that s constant.
thus d = 1.1
a1 = 1.2
an = a1 + (n-1)*1.1
= 1.2 + (n-1) .
simlarly apply the formulae for summmation n nterms and after manipulating in terms of n
put n infinity.
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