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CBSE Class 10 Answered

Write the expression  for the A.P. :  Hence find the common difference of the A.P. for which                      (i)    11th term is 5 and 13th term is 79
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

 

                    = 

                    =  nd – kd

                    =  (n – k) d

            (i)   

                                     79 – 5 = (13 – 11) d

                                    

Answered by | 04 Jun, 2014, 03:23: PM
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