document.write( "Question 368790: Integrate (using substitution).
\n" ); document.write( "int(6 t (4 t^2 - 1)^9) dt
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Algebra.Com's Answer #262800 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"u=4t%5E2-1\"$
\n" ); document.write( "then $\"du=8tdt\"$
\n" ); document.write( " $\"int%286t%284t%5E2-1%29%5E9%2Cdt%29=int%286u%5E9%281%2F8%29%2Cdu%29\"$
\n" ); document.write( " $\"int%286t%284t%5E2-1%29%5E9%2Cdt%29=%286%2F8%29%28u%5E10%2F10%29%2BC\"$
\n" ); document.write( " $\"int%286t%284t%5E2-1%29%5E9%2Cdt%29=highlight%28%283%2F40%29%284t%5E2-1%29%5E10%2BC%29\"$
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