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CBSE Class 10 Answered

Find the 20th term of ap -5,-5/2,0,5/2
Asked by luckyoberoi1972 | 07 Mar, 2019, 07:10: AM
answered-by-expert Expert Answer
Given : First term a = -5   and common difference d = +5/2
 
20th term : t20 = a + 19d  = -5 +19(5/2) = 85/2
Answered by Thiyagarajan K | 07 Mar, 2019, 10:38: AM
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