document.write( "Question 1203475: Please explain this pdf step-by-step and preferably on the pdf.
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Algebra.Com's Answer #839074 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
binomial theorem \r
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\n" ); document.write( "\n" ); document.write( "it is true that:\r
\n" ); document.write( "\n" ); document.write( "\"+1\" st term is
\n" ); document.write( "\"nC0%2A+p%5En%2Aq%5E0+=1%2A+p%5En%2A1=p%5En+\" \r
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\n" ); document.write( "\n" ); document.write( "the last term is
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\n" ); document.write( "\n" ); document.write( "\"+4\" th term is\r
\n" ); document.write( "\n" ); document.write( "\"+nC3%2A+p%5E%28n-3%29%2A+q%5E3+\" \r
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