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The first term of an A.P. is 5 and its 100th term is –292.  Find the 50th term of this A.P.

Asked by Topperlearning User 8th April 2014, 3:19 PM
Answered by Expert
Answer:

Let the A.P. be

            Here,                         a1 = 5

                                             

            We have                   

                                          

                                        

                                         d = –3

            Also                         

                                                                                  

                                           50th term is –142.

 

Answered by Expert 8th April 2014, 5:19 PM
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