M math New member Joined Jan 12, 2007 Messages 45 Mar 18, 2007 #1 integral of 3 / sqrt (3- x^2 - 2x) dx Do I complete the square and how if I should? How do I manipulate this into arcsin?
integral of 3 / sqrt (3- x^2 - 2x) dx Do I complete the square and how if I should? How do I manipulate this into arcsin?
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Mar 18, 2007 #2 Expand and use partial fractions is one way. \(\displaystyle \L\\\frac{3}{-x^{2}-2x+3}=\frac{3}{4(x+3)}-\frac{3}{4(x-1)}\)
Expand and use partial fractions is one way. \(\displaystyle \L\\\frac{3}{-x^{2}-2x+3}=\frac{3}{4(x+3)}-\frac{3}{4(x-1)}\)
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Mar 18, 2007 #3 Duplicate thread deleted.
