document.write( "Question 1097622: The 28th term of an AP is - 5.find it's common difference if it's first term is 31
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Algebra.Com's Answer #712151 by Jeetbhatt10th(11)\"\" \"About 
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a28=-5=a+(n-1)d,
\n" ); document.write( "where a is the first term = 31 and d is the common diff.
\n" ); document.write( "=>-5=31+(28-1)d,
\n" ); document.write( "=>-5=31+27d
\n" ); document.write( "=>27d=-5-31
\n" ); document.write( "=>27d=-36
\n" ); document.write( "=>d=-36/27
\n" ); document.write( "=>d=-4/3 (answer)
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