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How to integrate this? Urgent help please!!!

image.jpg I don't know how to integrate this...can't get the answer from 'Integration by parts'...Need help please!!!:frown:
Original post by Oliviazh
image.jpg I don't know how to integrate this...can't get the answer from 'Integration by parts'...Need help please!!!:frown:


Try differentiating x2+3 \sqrt{x^2 + 3}
Reply 2
Original post by Gregorius
Try differentiating x2+3 \sqrt{x^2 + 3}

Got it now...Well..I think use substitution will be easier...Thanks anyway!:h:
Reply 3
Original post by Oliviazh
image.jpg I don't know how to integrate this...can't get the answer from 'Integration by parts'...Need help please!!!:frown:


Do it by substitution let u=X^2+3
Then du/dx = 2x
(edited 8 years ago)
Reply 4
Original post by RPKing
Do it by substitution let u=X^2+3
Then du/dx = 2x
du = dx/2x

Got it now!! Thank you v much!:h:
Reply 5
Can be done by inspection.

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