edough Messages 8 Reaction score 0 Thread starter Apr 18, 2010 #1 Homework Statement Integrate 4X * sqrt( 4-X^2) dX from [-sqrt(2), sqrt(2)] Homework Equations Should I use integration by parts? The Attempt at a Solution
Homework Statement Integrate 4X * sqrt( 4-X^2) dX from [-sqrt(2), sqrt(2)] Homework Equations Should I use integration by parts? The Attempt at a Solution
HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 983 Apr 18, 2010 #3 Neither integration by parts nor a trig substitution. Let [itex]u= 4- x^2[/itex].