document.write( "Question 979190: The term of an arithmetic series is 2 & the common difference is 3. The sum is 187. how many terms are in the series
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Algebra.Com's Answer #600475 by anand429(138) $\"\"$ $\"About$

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a=2,d=3
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\n" ); document.write( "no of terms =n
\n" ); document.write( " $\"%28n%2F2%29%2A%282a%2B%28n-1%29%2Ad%29=187\"$
\n" ); document.write( "=> $\"%28n%2F2%29%2A%284%2B%28n-1%29%2A3%29=187\"$
\n" ); document.write( "=> $\"%28n%2F2%29%2A%281%2B3n%29=187\"$
\n" ); document.write( "=> $\"3n%5E2%2Bn-374+=+0\"$
\n" ); document.write( "=> $\"n=11\"$ \n" ); document.write( "

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