document.write( "Question 1151414: In the expansion of (x + 4y)^12, the numerical coefficient of the 5th term is \n" ); document.write( "

Algebra.Com's Answer #773150 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
In the expansion of $\"%28x+%2B+4y%29%5E12\"$ , the numerical coefficient of the 5th term is\r
\n" ); document.write( "\n" ); document.write( "5th term= $\"nC%28r-1%29%2Ax%5E%28n-r%2B1%29%2A%284y%29%5E%28r-1%29+\"$ where $\"n=12\"$ , $\"r=5\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5th term= $\"12C%285-1%29%2Ax%5E%2812-5%2B1%29%2A%284y%29%5E%285-1%29+\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5th term= $\"12C4%2Ax%5E8%2A%284y%29%5E4\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5th term= $\"%2812%21%2F%28%2812-4%29%214%21%29%29%2Ax%5E8%2A256y%5E4\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5th term= $\"495%2Ax%5E8%2A256y%5E4\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "5th term= ‭ $\"126720x%5E8%2Ay%5E4\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );