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No Plagiarism!XoJLjzPtv3QMeGm1RwKbposted on PENANA 恐懼感8964 copyright protection514PENANA6cnYEmdoGb 維尼
518Please respect copyright.PENANAyiSBIRQeli
8964 copyright protection514PENANAO2WvDUp2l5 維尼
∫sin(√x+a)e√x√xdx8964 copyright protection514PENANAYvCtvFJ3Sg 維尼
Substitute u=√x ⟶ dudx=12√x (steps) ⟶ dx=2√xdu:8964 copyright protection514PENANAOFKQslPXTi 維尼
=2∫eusin(u+a)du… or choose an alternative:518Please respect copyright.PENANAshDHuRIX5T
Substitute e√x8964 copyright protection514PENANAEvmFyt44WD 維尼
Now solving:8964 copyright protection514PENANAhmXmEJ64kY 維尼
∫eusin(u+a)du8964 copyright protection514PENANALdLQGYf6Il 維尼
We will integrate by parts twice in a row: ∫fg′=fg−∫f′g.8964 copyright protection514PENANAfrfWcW5mBd 維尼
First time:8964 copyright protection514PENANAeXi2NpOiND 維尼
f=sin(u+a),g′=eu8964 copyright protection514PENANAXqfMuVrSy6 維尼
↓ steps↓ steps8964 copyright protection514PENANAuBIOVSqxKL 維尼
f′=cos(u+a),g=eu:8964 copyright protection514PENANAznDnBqPMSy 維尼
=eusin(u+a)−∫eucos(u+a)du8964 copyright protection514PENANAg0fKIWcJRn 維尼
Second time:8964 copyright protection514PENANABUusPBmWHP 維尼
f=cos(u+a),g′=eu8964 copyright protection514PENANAv7062AfI9V 維尼
↓ steps↓ steps8964 copyright protection514PENANAAJCPAfgG5X 維尼
f′=−sin(u+a),g=eu:8964 copyright protection514PENANA14SIx888Fc 維尼
=eusin(u+a)−(eucos(u+a)−∫−eusin(u+a)du)8964 copyright protection514PENANAIQhLJdycM5 維尼
Apply linearity:8964 copyright protection514PENANAVYNneHlG51 維尼
=eusin(u+a)−(eucos(u+a)+∫eusin(u+a)du)8964 copyright protection514PENANADB9lrVe4eG 維尼
The integral ∫eusin(u+a)du appears again on the right side of the equation, we can solve for it:8964 copyright protection514PENANA45gTV791kv 維尼
=eusin(u+a)−eucos(u+a)28964 copyright protection514PENANAwxen61sSY3 維尼
Plug in solved integrals:8964 copyright protection514PENANAnkpUvLNaWh 維尼
2∫eusin(u+a)du=eusin(u+a)−eucos(u+a)8964 copyright protection514PENANAAWKS9tnHC0 維尼
Undo substitution u=√x:8964 copyright protection514PENANAM9kSoIa9V0 維尼
=sin(√x+a)e√x−cos(√x+a)e√x8964 copyright protection514PENANAUiZ1k2chjE 維尼
The problem is solved:8964 copyright protection514PENANAepiCSG06bg 維尼
∫sin(√x+a)e√x√xdx=sin(√x+a)e√x−cos(√x+a)e√x+C8964 copyright protection514PENANA3FBckYZqJ1 維尼
Rewrite/simplify:8964 copyright protection514PENANAbzsPXIRF5V 維尼
=(sin(√x+a)−cos(√x+a))e√x+C8964 copyright protection514PENANApxIaEdYYtt 維尼
216.73.216.0
ns216.73.216.0da2