Wednesday, 5 June 2013

SEQUENCE AND SERIES - 1



The 1st term of an A.P. is 16 and the common difference is 24. Find the 10th term.

Solution

Given: A1= 26, d = 24

An = A1 + (n-1)d

A10 = A1 + (10-1)d

A10 = A1 + 9d

A10 = 26 + (9x24)

A10 = 26 + 216

A10 = 242

Hence the 10th term is 242.       


 
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