document.write( "Question 1140842: Consider the following general term for a sequence
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Algebra.Com's Answer #761367 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "(a)   a^n   means  ,  and is used ONLY for this purpose: to show raising in degree \"n\".\r\n" );
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document.write( "      For example,  2^2 =  = 4;   3^2 =  = 9.\r\n" );
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document.write( "(b)   If you want to show the n-th term of a progression / (of a sequence), write  a[n]  or  a(n). \r\n" );
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document.write( "      We, the tutors, will read it as  .\r\n" );
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