Doubt from integration

summation
definite-integration
hard
sm
limits
unsolved
#1

#2

dont know ans please share my sir asked me...

#3


I feel there may be a small mistake at approximation. But the whole process might be the same.
@Hari_Shankar sir @Sourav_Dey sir pls see this problem sir.
@Sneha_2021 do provide the answer if you get.

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#4

yes right answer i asked my sir @Mayank_2019_1 sir. e-2

1 Like
#5

Very good

1 Like