© examsiri.com
Question : 78 of 160
Marks:
+1,
-0
Solution:
=‌‌sin‌(3+‌) Replacing
‌→x,‌→dx,∑→∫ Upper limit
⇒‌=1 Lower limit
⇒‌=0 Let,
‌(3+x)=t ⇒dx=‌dt At
x=0,t=‌ At
x=1,t=‌ ∴ sum of Series
=‌‌sin‌t‌d‌t =‌‌cos‌t|π∕4π∕3 =‌(‌−‌) =‌(‌)=‌
© examsiri.com
Go to Question: