document.write( "Question 93613This question is from textbook
\n" ); document.write( ": what are the last three terms of (a-b)^7 ?? \n" ); document.write( "
Algebra.Com's Answer #68222 by stanbon(75887)\"\" \"About 
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what are the last three terms of (a-b)^7 ??
\n" ); document.write( "6th term: 7C2a^2(-b)^5 = -21a^2b^5
\n" ); document.write( "7th term: 7C1a^1(-b)^6 = 7ab^6
\n" ); document.write( "8th term: 7C0a^0(-b)^7 = -b^7
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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