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Determine the 25th term of an AP, whose 9th term is -6 and common difference is 5/4.

 Feb 18, 2021
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25th term   =  9th term +  d (25  - 9)  =   -6 + (5/4) ( 16)   = -6  + 20  =   14

 

cool cool cool

 Feb 18, 2021

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