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No Plagiarism!Qh3sxOXvoyKfnyKepvhNposted on PENANA 恐懼感8964 copyright protection530PENANAGCCq1uuLyD 維尼
534Please respect copyright.PENANAXmqTmapCOS
8964 copyright protection530PENANA59G1bDUrlL 維尼
∫sin(√x+a)e√x√xdx8964 copyright protection530PENANAe1Fgv6fz0T 維尼
Substitute u=√x ⟶ dudx=12√x (steps) ⟶ dx=2√xdu:8964 copyright protection530PENANAkZpgWlrUaZ 維尼
=2∫eusin(u+a)du… or choose an alternative:534Please respect copyright.PENANAYpT8rUxpRd
Substitute e√x8964 copyright protection530PENANAv0lc2zWpK9 維尼
Now solving:8964 copyright protection530PENANAkb2Z7pWoiV 維尼
∫eusin(u+a)du8964 copyright protection530PENANASCPRbGwV0Q 維尼
We will integrate by parts twice in a row: ∫fg′=fg−∫f′g.8964 copyright protection530PENANACOChmtPNIR 維尼
First time:8964 copyright protection530PENANARVGbemhJVG 維尼
f=sin(u+a),g′=eu8964 copyright protection530PENANAh94n9vVDZi 維尼
↓ steps↓ steps8964 copyright protection530PENANAAVBftsYp5h 維尼
f′=cos(u+a),g=eu:8964 copyright protection530PENANAKQmUICATVq 維尼
=eusin(u+a)−∫eucos(u+a)du8964 copyright protection530PENANAK5Q2Xcw6Oe 維尼
Second time:8964 copyright protection530PENANAEf8NsXZEf2 維尼
f=cos(u+a),g′=eu8964 copyright protection530PENANAMllBHkwYGJ 維尼
↓ steps↓ steps8964 copyright protection530PENANAbFn9nFmB4S 維尼
f′=−sin(u+a),g=eu:8964 copyright protection530PENANALKJaYdDPia 維尼
=eusin(u+a)−(eucos(u+a)−∫−eusin(u+a)du)8964 copyright protection530PENANAoD3DpqiZjH 維尼
Apply linearity:8964 copyright protection530PENANAQYL6f1FOSZ 維尼
=eusin(u+a)−(eucos(u+a)+∫eusin(u+a)du)8964 copyright protection530PENANAGsCrMiWC4W 維尼
The integral ∫eusin(u+a)du appears again on the right side of the equation, we can solve for it:8964 copyright protection530PENANAHQBGgXnyHM 維尼
=eusin(u+a)−eucos(u+a)28964 copyright protection530PENANAdvOKQYe7WR 維尼
Plug in solved integrals:8964 copyright protection530PENANAdoBhWfCIER 維尼
2∫eusin(u+a)du=eusin(u+a)−eucos(u+a)8964 copyright protection530PENANA8QBnN4L792 維尼
Undo substitution u=√x:8964 copyright protection530PENANATodplNpKy2 維尼
=sin(√x+a)e√x−cos(√x+a)e√x8964 copyright protection530PENANAuzzE87Hbzx 維尼
The problem is solved:8964 copyright protection530PENANA4MSLjNyC8F 維尼
∫sin(√x+a)e√x√xdx=sin(√x+a)e√x−cos(√x+a)e√x+C8964 copyright protection530PENANAr0XHVD8KSL 維尼
Rewrite/simplify:8964 copyright protection530PENANA6hYZn4oosA 維尼
=(sin(√x+a)−cos(√x+a))e√x+C8964 copyright protection530PENANAG8A0nGD49S 維尼
216.73.216.176
ns216.73.216.176da2