document.write( "Question 39892: which of the following could be a term in the expansion of (x+y)^7\r
\n" ); document.write( "\n" ); document.write( "1. 35xy^7
\n" ); document.write( "2. 35x^8 y^-1
\n" ); document.write( "3. 35 x^7 y
\n" ); document.write( "4. 35 x^2 y^8
\n" ); document.write( "5. 35 x^3 y^4
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Algebra.Com's Answer #25337 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
Only choice 5 is possible.
\n" ); document.write( "The coefficient, found from Pascal's Triangle (or other means) of both the x^7y and xy^7 terms are both 7...
\n" ); document.write( "The powers of x and y must add to seven...
\n" ); document.write( "The only choice left is choice 5.
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