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CBSE Class 10 Answered

Which term of an AP  5,2,-1.... will be-22
Asked by 9452neetu | 29 Jan, 2019, 08:16: PM
answered-by-expert Expert Answer
Let -22 be the m-th term in A.P
 
first term = 5 ,common difference = -3
 
hence m-th term = tm = 5+(m-1)(-3) = 22
 
solving the above eqn., we get m = 10
Answered by Thiyagarajan K | 29 Jan, 2019, 10:07: PM

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