document.write( "Question 716105: 15th term of the A.P. x-7, x-2, x+3, ........ is :
\n" ); document.write( "(A) x+63 (B) x+73 (C) x+83 (D) x+53
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Algebra.Com's Answer #439733 by mananth(16949)\"\" \"About 
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first term a = x-7\r
\n" ); document.write( "\n" ); document.write( "d = common difference= x-2-(x-7) = 5\r
\n" ); document.write( "\n" ); document.write( "t15 = (x-7) +(15-1)5\r
\n" ); document.write( "\n" ); document.write( "t15= x-7 +70\r
\n" ); document.write( "\n" ); document.write( "= x+63
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