Monday, 25 December 2017

ARITHMETIC PROGRESSION 2


The 1st term of an A.P. is 80 and the common difference is 97. Find the nth term.

Solution


A1= 80, d = 97

An = A1 + (n-1)d

An = 80 + (n-1)97

An = 80 + 97n – 97

An = 97n - 17



Hence the nth term is 97n - 17.



TRY THIS……………


The 1st term of an A.P. is 124 and the common difference is 39. Find the nth term.

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