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calculate integral value of( xcosx dx).

 calculate integral value of( xcosx dx).

Grade:11

3 Answers

macharla saikrishna
30 Points
8 years ago

answer :- x sinx + cosx + C

 

 

Reddy Rakesh
33 Points
8 years ago

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

u. s. p. srinivas aditya
32 Points
8 years ago

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

=> xsinx-∫(sinx)dx

=> xsinx+cosx+c

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