10 SCREEN 12
20 PRINT "Integration by substitution"
30 PRINT "         "; CHR$(244)
40 PRINT "Evaluate "; CHR$(245); CHR$(251); "(8x-5) dx"
50 PRINT "Let u=8x-5."
60 PRINT "Then du=8 dx."
70 PRINT CHR$(244); "        "; CHR$(244)
80 PRINT CHR$(245); CHR$(251); "(8x-5)="; CHR$(245); "u^(1/2) du/8"
90 PRINT "       "; CHR$(244)
100 PRINT "=1/8 * "; CHR$(245); "u^(1/2) du"
110 PRINT "= 1/8 * u^(3/2)/3/2 + C"
120 PRINT "= 1/12 * (8x-5)^(3/2) + C"
130 SYSTEM