Find the values of a and b if: ∫2,1 xlnx dx = lna -(b/a) btw, "∫2,1" means upper limit is 2, lower limit is 1 Help is very appreciated!!! Thanks!
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Originally Posted by Yehia Find the values of a and b if: ∫2,1 xlnx dx = lna -(b/a) btw, "∫2,1" means upper limit is 2, lower limit is 1 Help is very appreciated!!! Thanks! Let and Your integral is then: Finally you have: Compare the last term with the given term to determine the values aof a and b.
Originally Posted by Yehia Find the values of a and b if: ∫2,1 xlnx dx = lna -(b/a) btw, "∫2,1" means upper limit is 2, lower limit is 1 Help is very appreciated!!! Thanks! du = x , u = x^2/2 v = ln x , dv = 1/x a=4 , b=-3
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