Please answer the above attached question with the method used as soon as possible
supraja venkatraman , 5 Years ago
Grade 11
Integral Calculus> Please answer the above attached question...
1 Answers
Arun
Last Activity: 5 Years ago
Dear student
it can be wrotten as ∑r= 0 to 4n ( 1/2n+r)
∑r=0 to 4n 1/n (1/2+ r/n)
now 1/n = dx
r/n = x
and limit of Integration is 0 to 4
hence ∫0 to 4 [1/x + 2] dx
ln ( x + 2) from 0 to 4
ln 6 – ln 2 = ln (6/2) = ln 3
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