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Grade 11Integral Calculus

calculate integral value of( xcosx dx).

Profile image of Reddy Rakesh
13 Years agoGrade 11
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3 Answers

Profile image of macharla saikrishna
ApprovedApproved Tutor Answer13 Years ago

answer :- x sinx + cosx + C

 

 

Profile image of Reddy Rakesh
13 Years ago

your answEr is correct but how it is?please explain me

Profile image of u. s. p. srinivas aditya
13 Years ago

∫x.cosxdx
=> x∫cosxdx-∫[d(x)/dx(∫cosxdx)]dx

=> xsinx-∫(sinx)dx

=> xsinx+cosx+c